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The 12 Best Apps for Building Muscle in 2026: A Science-Based Guide

Expert-Tested: The Best Workout Apps 2026

“I find it hard to come up with routines myself, so having coached sessions made it easy and comfortable for me to try new things like boxing that I wouldn’t have sought out on my own,” another tester noted. Gym-goers will also appreciate the self-guided option, which lets you move through exercises at your own pace. Finding your favorite workout app may require a bit of trial and error since you’ll want to see if you’re looking for a personalized experience or are comfortable with a cookie cutter plan.

Training styles and difficulty levels

When starting, look for videos labeled specifically for beginners and make sure your doctor clears any new exercise routine. Most apps also include video demonstrations for each movement, along with progress tracking and structured plans to help you stay consistent and accountable. You now have detailed information on 15 different platforms to choose your best home workout app based on your specific needs and budget. Start by identifying your primary training style (strength, yoga, cardio, or mixed) and determine how much you want to spend monthly. Download apps offering free trials first to test their interface and content quality before committing financially.

Best Weight-Loss Workout App for Beginners – FiiT

You receive AI-powered recommendations for weights and alternative movements when you don’t like a suggested exercise. Shred recently added full-length studio classes led by expert trainers in yoga, boxing, and HIIT, expanding beyond the core strength focus. Free workout apps have great value, providing basic instructions with libraries of exercises and workouts at no cost to you. Some of our favorite free workout apps include Caliber, Nike Training Club, and Map My Fitness.

How we tested the best workout apps

This will also unlock meditation sessions, regular reminders, and guided meditations to help you sleep better. Membership costs £9.89 per month, or £47.88 for a full year if paid up-front, making it one of the most affordable home workout apps around. Whatever your running goals, take ’em to the next level with Nike Run Club. Remember, not everyone has to love running, and just because you want to get stronger doesn’t mean you need to do a million push-ups.

Club 51 by Jon Denoris

Founded in 2018, the platform uses a quiz-based approach to understand your fitness objectives, available equipment, and training location before generating your workout plans. You get access to 18 different training styles covering both gym and home environments, making it versatile whether you have a full setup or just your bodyweight. The app is also easy to navigate, which our testers agree is important for beginners. SHRED users have the ability to search and filter workouts by muscle group, fitness level, equipment, and type of workout (like strength or cardio).

Best Workout Apps

Depending on the program you select, you can expect the duration to be anywhere from eight weeks (yoga) to 67 weeks (strength training). This app offers a holistic approach to fitness that also caters to specific needs and goals. It offers a diverse range of expertly crafted workouts, from strength training to cardio to endurance.

Gymshark Conditioning app

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If you’re looking to lose weight, you’ve probably heard that crash dieting or overly-intense workouts aren’t healthy or sustainable. This might be the best option if you’ve got a bun in the oven or if you had a bébé recently. But a great part is that it can take all the planning and calculating out of your workout. Like the resistance band version of this app, each exercise involves a how-to video and a voice coach cueing you. Try using the app for free or opt for the Elite subscription, which gives you access https://www.pwinsider.com/article/196479/madmuscles-review-app-review-on-how-it-is-transparent-flexible-and-fully-under-your-control.html?p=1 to audio cues, more advanced analytics, and extra training routines.

This guide explores the top free fitness apps available in the iOS App Store, covering everything from HIIT and yoga to strength training and full-body workouts. All of them are either completely free or offer robust functionality without requiring a paid subscription. While the platform is ideal for advanced athletes, beginners also benefit by learning foundational movements and mastering strength basics. “You pick a coach based on your goals and preferences, and each day’s workout—including rest—is programmed for you. My sessions are about 45 minutes, and at 45, I feel and look stronger than ever.” Every workout and meditation incorporates American Sign Language, with trainers learning ASL together in weekly classes led by a Deaf-certified instructor, so those who are deaf or hard of hearing feel included.

Best Free Workout App for Guided Workouts: ClassPass

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Like many free workout apps, there are limited interactive features and accountability—none, to be exact, earning a 1 out of 5 in both of these aspects. Still, if you’re looking for a fun way to get a quick workout in, SmartWOD provides countless workouts that can be catered to your skillset and equipment available. The first, and more well-known aspect of ClassPass, is that you can search for and participate in local fitness classes—HIIT, boot camp, kettlebell classes, plus salon appointments. This requires a paid subscription plan, where you get a monthly amount of credits to use towards dropping into a class. You get  28 free credits for your first month of ClassPass for anyone looking for deals. Although the library of exercises is expansive, just be aware that the functionality is limited in the free version.

In fact, it’s easier with a streaming subscription because you no longer need a DVD player and a TV. So when you’re traveling, or if you’d rather not go to the gym, fitness streaming services make it easier to work out at home. First, almost all of the fitness streaming services are cheaper than going to a gym or fitness studio for your workout routine. Most cost around $10 to $30 per month, which is often as much as you’ll pay for a single studio class.

Fitbit Coach

While it’s one of the best fitness apps for iOS for cardio enthusiasts, it also supports a wide range of other activities. JEFIT is the unsung hero amongst the best workout planner apps 2026 has to offer. With an extensive exercise database encompassing over 1400 weight training exercises, this app caters to beginners and seasoned bodybuilders alike. As the name suggests, it retains Itsines’ high-intensity practice, designed to raise your heart rate, improve your cardio fitness, and boost your metabolism. But there are beginner, intermediate, and advanced bodyweight exercises, strength sessions, yoga, barre, and Pilates.

  • If you’re in the mood to create your own workout, you can — but if you need the app to customize one for you, you can do that, too.
  • With that said, marketing for men and male-identifying people is on the rise, and just because a fitness app’s logo has camo and chains doesn’t necessarily mean it’s the right workout app for you.
  • MapMyFitness is one of the best running apps we’ve tested, and you can get it for an affordable price of $5.99 per month for the premium version.
  • With that in mind, we’ve scoured the Apple Store to bring you the top-rated health and fitness apps you can find.
  • Through its gradual training program, it guides beginners step-by-step to build endurance and fitness.
  • Whether you’re exercising at home, or on the road, the best workout apps have become one of the most versatile fitness tools out there.

How many days a week should I workout?

The best part is that you can do most of them using just your body weight and without having to purchase any equipment. The app provides structured programs and challenges designed to keep you engaged and progressing toward your fitness goals. While the subscription is required for full access, the sheer volume and quality of content offer significant value for those motivated by guided workouts. Strong lives up to its name by offering a direct, powerful, and uncomplicated approach to strength training logging. It’s designed for lifters who prioritize quick, efficient workout tracking over guided programming or video content. The app’s core strength lies in its fast, low-friction interface that lets you log sets, reps, and weight with minimal taps, getting you back to your workout faster.

It has no structured exercises, but it’s designed to track your activities. One advantage of the paid version is access to mountain routes, but the free version is also very comprehensive and you can use it on your smartwatch. Strava is one of the best apps for recording your exercises when you go running. It offers both free and paid versions and is an ideal companion for running, cycling, or brisk walking. There are a lot of exercise apps out there, but nobody needs all that clutter.

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The 12 Best Apps for Building Muscle in 2026: A Science-Based Guide

Sweat: The Fitness App Trusted By Millions of Women

The app introduces the concept of “strengthspan” – your overall strength capability for long-term health and longevity. Using 9 carefully selected exercises, Strength Well provides personalized strength scores and targeted recommendations to build functional strength that matters for everyday life, not just the gym. We selected Muscle Booster as the best workout planner because it does that specific job better than almost anything else we tested. It is not the right tool for experienced lifters who want granular weight tracking, but for anyone who wants a structured, adaptable plan and the accountability to follow it, it delivers. With that said, there are a couple of fitness apps that have a fully functioning app and all of its features are available for free—no subscription needed.

Now is the Time to Start

At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Despite Khalipa’s background in CrossFit, the Train Hard app isn’t just about CrossFit. Train Hard is the product of Jason Khalipa, a former CrossFit Games champion who knows a thing or two about effective workouts.

Each workout feels perfectly created for exactly where you are right now. With practically too many apps to choose from and nearly one in every five2 smartphone users downloading fitness apps to their device it can be hard to sort the good from the not-so-good. If you’re looking for guided workouts, ClassPass can be used in two ways. The first, and more well-known aspect of ClassPass, is that you can search for and participate in local fitness classes—HIIT, boot camp, kettlebell classes, plus salon appointments. This requires a paid subscription plan, where you get a monthly amount of credits to use towards dropping into a class. You get  28 free credits for your first month of ClassPass for anyone looking for deals.

  • This allows you to push heavier weight, complete more reps, and maintain higher training intensity over time.
  • I think this app is best for experienced trainers because of how challenging the PWR program is.
  • Start your personalized fitness journey with elite 1-on-1 personal training from just $14 per session.
  • I tested the most popular workout apps to help you find the ones worth the cost–some are even free.
  • The nutrition plan is pretty on par with what other workout apps offer.
  • Some are free or offer free trials for a week or month, which lets you test out the app before officially committing to it.

More Apps from WELLTECH APPS LIMITED

If you’re new to any type of workout, it’s essential to have someone correct your form. If you have experience exercising, this might not be an issue, but people beginning their fitness journey may find following classes and routines difficult if they don’t know how to do the moves correctly. When you download the app, the first thing you’ll do is set your objectives — it could be to lose weight, tone your muscles or build muscle mass. Then you’ll be asked whether you’ll be working out at home or at a gym and the type of workouts you enjoy most, followed by a series of questions about things like height, weight and lifestyle. Since the focus is on building strength, SBTD has a section where you can input your weights and reps neatly. If you hit a personal best, the app suggests a new weight goal for that specific exercise.

What’s New in the Latest Version 10.0.6

fitness coach: home workout app

When it comes to postpartum fitness, Sweat is in a league of its own. It is one of the most established women’s fitness apps in the world, and what sets it apart for new mums is the depth and variety of its postpartum programming. IFIT doesn’t offer true personal training in the what is the best workout app for men sense of individualized coaching.

Best workout app for iPhone users

fitness coach: home workout app

Progress tracking is comprehensive, with visualizations showing strength gains, volume progression, and consistency metrics. The app’s ability to identify plateaus and automatically adjust programming helps prevent stagnation. Shred has emerged as a standout gym tracking app by combining AI-powered adaptability with elite trainer expertise.

VG Fit: Bodyweight Workouts

With scores of users around the world, Daily Yoga is your gateway to a healthy mind and body. Personalise your data, choose from amongst 100 different classes, load up a playlist, and assume the position. True to its name, Fitbod will help you both build and maintain a muscular figure.

Six Pack in 30 Days – 6 Pack

She’s been a journalist for the last 14 years and a CPT/group fitness instructor for the last 11 years. She grew up playing tennis, became an avid runner in college, competed in a bikini competition in her mid-twenties, and even completed a triathlon. Her workout of choice nowadays is strength training, plus logging her daily steps. After her first daughter was born six years ago, she became especially passionate about prenatal and postnatal fitness, teaching stroller bootcamp classes and working with expecting moms as clients. Post-journalism school, Nicole worked in print media as a magazine editor for eight years, then went freelance for a while, writing for fitness websites and manufacturers in the industry.

Peloton in 30 Seconds

Sondre Berg’s comprehensive calisthenics and handstand training app with over 1,200 exercises and skill-specific programs. They also have a premium offering of custom mobility coaching for anyone looking for more support during their mobility and movement training. You can submit videos of your exercises and receive feedback from certified ATG coaches within 24 hours. This level of support ensures you’re performing movements correctly and progressing safely. We selected StretchIt as the best fitness app for stretching because we found the content to be effective, enjoyable to follow and simple to track progress.

Expert trainers who GET IT

The library runs to over 10,000 on-demand workouts across more than 20 class types, including barre, Pilates, strength, yoga, and dance cardio, and the filtering options are excellent. You can search by length, intensity, equipment, impact level, and even music style, which makes it easy to find exactly what you are in the mood for on any given day. For this review, we used and tested over 17 popular fitness apps and programs (details at the bottom of the article), and evaluated them on price, ease of use, effectiveness, enjoyment and purpose. The best postpartum workout apps bring expert-led, thoughtfully designed programmes directly to your phone, so you can train at home, around nap times, and at whatever pace feels right for your body. Featured in 2026 reviews, here are five of the best AI-powered fitness apps transforming how people train at home, whether you’re doing bodyweight HIIT in your living room or lifting dumbbells in your garage.

Strength, Yoga, and Low-Impact Options for Beginners

Consider an app that provides evidence-based workout routines that’ll help you achieve your goals. The app is $15 per month after a 7-day free trial, which makes it one of the more affordable options here. It is worth noting that Pvolve has a range of proprietary resistance equipment that some programmes use, and these can be bought as part of a bundle with an app subscription to save money. The app includes dedicated postnatal workouts within its Women’s Wellness category, alongside pelvic floor-focused classes and progressive full-body sessions.

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The 12 Best Apps for Building Muscle in 2026: A Science-Based Guide

Best 5 Full Body Workout Apps for 2026: Which One Fits Your Needs?

Glo specializes in yoga and meditation classes with a library of over 8,000 sessions designed for practitioners at every level. The platform brings dedicated teachers who you can follow consistently, building familiarity with their coaching style and cues over time. You take a personalized quiz when you start to get recommendations matched to your experience and goals, then explore the massive collection of classes that continues growing.

The platform starts with a personalized quiz that recommends programs based on your goals and experience level. You’ll find structured programs ranging from two weeks to over 24 weeks, taking the guesswork out of planning your training schedule. Sweat includes cycle-syncing workouts that align with your menstrual phases and dedicated perimenopause support, addressing specific women’s health needs that most fitness apps ignore.

Other Personal Training Apps We Tried And Researched

The advanced search function on the Alo Moves app and webpage is a key feature, allowing users to quickly and easily filter for the style of workout, difficulty, intensity, and duration of class they’re looking for. Its balance of professional guidance, diverse workout options, and user-friendly interface makes it suitable for beginners and seasoned athletes alike. If you’re looking for more nutritional support, we suggest checking out our best meal delivery services for weight loss, or trying out Noom in combination with Reverse Health. For the best workout app overall, our testers chose BetterMe due to its diversity of training regimens and simple, user-friendly interface. Based on your preferences and goals, the app creates a plan to help you build strength, master calisthenics skills, or improve your overall fitness. There are plenty of online yoga instructors to try if neither personality quite gels with you.

Centr also sells quality equipment if you want to build a complete home setup. IFIT doesn’t offer true personal training in the sense of individualized coaching. While you can select workouts and long-term programs based on your current fitness level and your goals, you won’t find true periodization or personalization in this app. Still, it’s a great option for those who want to bring some energy and flexibility to their fitness journey.

“I love that it has detailed charts and stats to track my  lifts over time,” he says. “Plus, there’s analytics, including an anatomy chart that’s heat-mapped based on volume, so you can add any neglected muscle groups to your routine.” He rates the ease of use a 5 out of 5. The monthly fee is affordable at $19.99 per month, or $199 per year, but you’ll need to purchase additional equipment if you don’t already own a Zwift trainer. You’ll either need the Zwift Kickr Core 2 to use with your existing bike or the standalone Zwift trainer. Neither is exactly cheap, with the Kickr costing $549 at the time of writing. Although it costs about $200 a month, Future features a user-friendly interface, customizable programming, and excellent support from your personal coach.

PUMATRAC Home Workouts, Training, Running, Fitness – Free Home Workouts

The workouts are usually broken into a few circuits to keep things interesting and fast paced. The app shows you exactly how to do every move with a looping video of the trainer demonstrating. Overall, the app is really well designed, easy to follow, and has managed to keep me motivated for the last five years!

We also appreciate apps that combine live and on-demand classes, with fresh content added regularly to keep your routine interesting. In the end, the “best” app comes down to what excites you, whether it’s a favorite instructor, a style of class you can’t get enough of, or a program that fits seamlessly into your schedule. That means intuitive navigation and filters that let you quickly find the perfect class based on workout type, duration, or even music. Many apps also include a community component, which can be a helpful way to stay motivated, share progress, and hold yourself accountable.

Best for Longevity – Strength Well

However, ClassPass also has a database of workout videos that are completely free to users; you don’t even need to be on a subscription plan. Just like their local class options, these trainer-led workout videos vary from strength training to high-intensity workouts and everything in between. If you’re brand new to exercising, or if you’re trying a new type of workout, experts recommend using a fitness app as a supplement to in-person sessions with professional trainers, at least for a few weeks.

Best workout apps FAQs

Another reason we chose Future as the top weightlifting app for home gyms is that it doesn’t matter what equipment you have. Whether you have a complete setup or just a pair of kettlebells, you’ll still be set up for success. Several members of the Garage Gym Reviews crew have used Future over the years, including our founder, Cooper Mitchell. “I think the biggest evidence of my feelings toward Future is that I’ve used it every week since September 2020. While the pricing varies, the highest tier of Caliber starts at $200 per month, which is significantly more expensive than the average app. However, you can opt for the group coaching or free-forever version if budget is a concern.

home workout app comparison

Best Personal Training App for Beginners: Caliber App

Because the programs we tested are 100% online, it’s important that the platform is easy to use and doesn’t take away from the workout experience. For an app to earn a 1-star rating, the interface is confusing, there are no filters for specific needs, and it generally feels chaotic. Nobody wants to pay for something they may not like, so fitness apps with free trials earn higher points than those without. In fact, apps with no trial periods earned a 1-star rating in this category. Our product testers were tasked with evaluating multiple fitness apps and rating them on a 1-to-5-star scale across a variety of categories. Our in-depth methodology covered categories ranging from overall value and ease of use to workout variety and equipment demands.

  • Our product testers were tasked with evaluating multiple fitness apps and rating them on a 1-to-5-star scale across a variety of categories.
  • You’ll find yoga, barre, Pilates, strength, HIIT, meditation, and breathwork across all experience levels.
  • While the premium option can give you special features like premium music options to spice up your playlist, personalized meal plans, and offline downloads to workouts, the bulk of the app is free.
  • It has a holistic approach to improve your overall health and reduce stress.
  • Street Parking follows a very typical functional fitness format with a prescribed workout of the day (WOD) that is highly focused on conditioning.
  • This best home workout app fits you if you want professional personal training without gym membership costs.

Fitness Statistics and Facts: The Hard Truth About Americans and Exercise

home workout app comparison

In recent times, James has been absorbed by the intersection between mental health, fitness, sustainability, and environmentalism. When not concerning himself with health and technology, James can be found excitedly checking out each week’s New Music Friday releases. But as you need a subscription for most, you don’t want to join loads and spend hundreds of dollars each month. So I try the different training styles, exercise classes, and wellbeing sessions to see if you can get everything in a single app. However, if you’re after an app that does a bit of everything, you might be better off with Apple Fitness+, as Alo Moves is primarily a yoga app, with a bit of cardio and strength training on the side. But this does make it the perfect option for yogis looking to practice at home.

How do you clean a smart home gym?

Each class is packed with intentional movement and expert instruction—and the platform caters to all experience levels. It brings all the results of a pilates reformer, without requiring the reformer. The great thing about fitness subscriptions is that you can access them anytime and anywhere. If you’re traveling or stuck at home, and even if your gym is closed, you can pull out your phone and get a great workout done wherever you are. The right fitness app should fit your schedule, workout preference and lifestyle. He has over five years experience in fitness tech, including time spent as the Buyer’s Guide Editor and Staff Writer at technology publication MakeUseOf.

The Best Workout Apps

Kate Meier, former GGR Head of Content, just passed her one-year mark with her Future coach. Earning a near-perfect value score of 4.5 out of 5, Hevy can be a useful tool to have in your arsenal, especially considering the affordable subscription cost. Muscle Booster nabbed a range of perfect scores from our tester but fell flat in a few key areas, such as interactive features and value. Appropriately, best home workout app we gave Muscle Booster a 5 out of 5 in our progressive overload category.

Kate Meier, NASM-CPT, USAW-L1, CF-L1, says her coach is fantastic about daily check-ins and gathering feedback. “Seeing my fitness rings on my Apple Watch worked really well for me in terms of keeping me on track with my workouts,” says Kate, who gave Future 4 out of 5 stars for interactive features. In terms of cost, there’s the $15 monthly iFIT Train plan and the $39 monthly iFIT Pro plan.

Best tried-and-true fitness app

It also includes a conditioning workout option that you can include at the end of your workout if you have the time. Our CNET fitness experts have put together this list of the best workout apps for women based on how well each app supports sustainable movement, mental health and motivation. While these fitness apps primarily target women and many of the certified trainers featured are women, it’s worth noting that anyone can benefit from them, as there’s really no such thing as gender-specific exercise. The workouts it served up to me every day were cardio and muscle-focused, like HIIT, bodyweight strength training, and kickboxing classes, but you can also search for yoga and pilates classes. Some workouts are “coached,” which means they follow the format of a typical workout video, and others are self-guided, which means you watch a looped video of a certain exercise and do it until the timer runs out. I liked both variations, but the app didn’t let me listen to my own music during the coach-led classes, which could be a turnoff for some people.

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The 12 Best Apps for Building Muscle in 2026: A Science-Based Guide

The 12 Best Apps for Building Muscle in 2026: A Science-Based Guide

Some popular programs, as well as advanced analytics, are locked behind the Boostcamp PRO paywall. While there’s plenty to do in the free version, gym goers who love crunching numbers and data will get more stats and charts in the PRO version. For those who want to follow a well-designed program for several months at a time, focusing on progressive overload in the gym, Boostcamp is a great option. The questionnaire that helps program for you asks questions about your experience level, equipment available, and the type of training you are focusing on. Our tester also gave the app a 3 out of 5 for value, stating that it’s “very AI forward” and lacks the community aspect and competitive leaderboard you would find in other apps. Our tester notes that this is a great platform for independent users who enjoy training alone, but it might not work for everyone, especially those looking to interact with others on their fitness journey.

best muscle building app reddit

Take Control of Your Training

If you have no problem motivating yourself, you may do just fine with an app that provides pre-made programs to follow on your own. Some programs are generic, and while they may https://www.inkl.com/news/best-workout-apps-for-beginners-in-2026 help you address some of your fitness goals, they may not help you with all of your aspirations. By contrast, many workout apps connect you with professionals who can help guide you through and program a custom workout plan for your specific preferences.

How long should I rest between sets?

Even if you choose strength or bodybuilding workouts, the app uses circuit workouts rather than traditional strength training. As you progress through your program, SHRED uses artificial intelligence to customize the training program to your needs based on your performance and feedback. You’ll have to grant the app access to your camera, though, so it can track and rate your performance and provide form corrections. His works have been previously featured by DICK’S Sporting Goods as well as Gear Patrol. In Print Journalism from Penn State University and is based in Pittsburgh, Pennsylvania.

FitOn Workouts & Fitness Plans

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All your workout data is stored locally on your device, not on a server, ensuring complete privacy. This approach, combined with its powerful free features, makes it a standout option for those who want a pure, effective training log. While a paid tier unlocks advanced metrics like RPE/RIR tracking and health platform syncs, the free version provides more than enough for the majority of users to build muscle effectively. If you want to understand the science behind effective training, you can read more about scientifically proven ways to build muscle faster. Many workout apps track your progress over time, allowing you to see whether the plan you’re following is delivering results.

  • If you were to work with a personal trainer once a week, it would cost you $280 per month, or $3,360 per year.
  • During the sign-up process, you’ll answer a quick quiz that includes questions about your goals, activity level, equipment access, and more.
  • The free version provides access to basic features and some programs, while the premium version unlocks expert-designed programs, advanced tracking, and more personalized features.
  • The app provides detailed charts for volume and estimated one-rep max, giving you the data needed to make informed decisions about your training.
  • Anyone looking for a home-exercise program will be hard pressed to find a more technology forward, expansive and inclusive platform than iFIT.
  • In fact, apps with no trial periods earned a 1-star rating in this category.

Why We Like Nike Training Club

It works perfectly for this frequency and allows you to do enough working sets to develop all the major muscle groups. Second, training muscles more often means you can spread your training volume more evenly throughout the week. For example, if you need to do 20 weekly sets for your chest, you can do 10 on push day and 10 on upper-body day. We tested the 7 best stretching apps for 2025 – from free options to premium solutions. Here, you’ll find out which app fits your training style and how it can help you achieve your goals.

How do I get started with Boostcamp?

Anyone looking for a home-exercise program will be hard pressed to find a more technology forward, expansive and inclusive platform than iFIT. The BetterMe app is Pilates-focused workout app aimed toward beginners. It has a nutrition function where you can track calories or gather healthy meal ideas. It doesn’t get better than this, except for being with an in-person trainer.

How do I find the right program for me?

You can learn more about effective training structures by reading about the best workout splits for hypertrophy and how they support muscle growth. Fitbod carves out a unique space among the best apps for building muscle by acting as an AI-powered personal trainer. Instead of just tracking your lifts, it actively generates entire workouts for you. This makes it an excellent choice for lifters who want to eliminate the guesswork and just show up to the gym with a solid plan. JuggernautAI is not just designed with your stats in mind—it’s structured to help you move the needle on your strength.

We’re a group of certified personal trainers, gym owners, and Olympic-level athletes with years of experience following, designing, and coaching clients through training programs. Once you choose a program, Boostcamp automatically calculates your starting weights and handles the week-to-week progression, telling you exactly how much to lift to maintain progressive overload. This removes the mental overhead of planning, allowing you to focus entirely on execution. While the app has a clean and capable workout tracker with tools like a plate calculator and rest timer, its primary strength is delivering expertly designed roadmaps for long-term gains. What makes Strive a superior choice is its commitment to user privacy and its generous free model.

What Is Pre-Workout? An RD Reveals the Gym Juice Scoop

Apps can “gamify” workouts, too, through checking in and earning achievements and badges for breaking milestones. A survey study from determined that apps with achievement-oriented motivations were one of the best ways to keep app users accountable and driven toward progress. To earn 3 out of 5 stars, there may be some repetition and many similar workout formats/types, but it’s tolerable, and our testers could see themselves using this app for quite some time. However, it’s worth noting that not all categories applied to every app we tested. For example, a running app won’t offer much training variety and doesn’t require equipment (aside from your best running shoes, of course). Instead, you follow a series designed to help you gain strength in six weeks, followed by a deload week or two.

The Best Apps for the Gym

Alpha Progression is designed for the self-coached lifter who wants an evidence-based approach to hypertrophy without needing to build everything from scratch. It generates personalized training plans based on your frequency, available equipment, and muscle group priorities, making it one of the best apps for building muscle with a scientific foundation. This ensures you’re consistently applying progressive overload in an intelligent, autoregulated way. While some apps only have free trials, there are a few free workout apps. For example, Nike Training Club is completely free, offers workout databases, and lets you track your workouts.

Calisthenics training, developed by sports scientists and optimized by smart algorithms – for your best workout.

The Caliber app also offers a free version that can provide basic strength training guidance. Caliber’s free membership also lets you design your own programs (you’ll need to upgrade for personal coaching, however). Caliber presents a well-rounded, science-based approach to strength training that caters to a wide spectrum of users. It effectively bridges the gap between a standalone workout tracker and a full-service coaching platform. Its free version is remarkably robust, offering workout logging, progress tracking, and educational content on training principles. This makes it a strong contender among the best apps for building muscle, especially for those who want a solid foundation without an immediate financial commitment.

The purpose of a workout app is not to make logging your workout the main event. Its purpose is to get out of your way, capture the necessary data with minimal friction, and give you the insights needed to make your next session more productive than your last. You don’t have to be a bodybuilder or a professional athlete to benefit from weight training.