Muscle Booster Workout Planner

In-app purchases
4.4
244K reviews
10M+
Downloads
Content rating
Everyone
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About this app

Muscle Booster is a workout app designed for both men and women who want to build muscle, stay healthy, and feel great. Our Gym Workout Planner acts as a personal trainer alternative, helping you improve your physical fitness whether you're exercising at home or at the gym.

From muscle-building gym routines to calisthenics home workouts and weight loss programmes, Muscle Booster creates a personalised plan based on your goals and physical data. No matter your training location, the app’s smart algorithm guides you through sets, rep ranges, and rest intervals to help you hit your goals and track progress efficiently.

WHY WORK OUT WITH MUSCLE BOOSTER?
Access a library of over 1,000 workouts tailored to both men and women and designed for muscle gain, weight loss, recovery, and more.
Use the Workout Player for audio tips, exercise instructions, information on targeted muscle groups, and a built-in workout/rest timer (Apple Watch compatible).
Join Challenges based on your profile. You’ll find everything from Morning Routines and Calisthenics Home Workouts to Fat Burning, Chair Workouts, Dumbbell Training, 6-Pack Programmes, and Injury Recovery.
Create custom plans that match your available equipment, including free weights, machines, resistance bands, or bodyweight setups.
Each workout includes an estimated duration and the number of calories likely to be burned.
After every session, the app shows which muscles to train next and which require rest, helping you optimise recovery.
Achieve Mini Milestones to stay motivated and experience the full benefits of consistent training.

HOW DOES THE WORKOUT PLANNER WORK?
Set your fitness goals: weight loss, muscle gain, strength, flexibility, or injury recovery
Choose your focus areas: arms, core, abs, pecs, stomach, legs, chest, shoulders, or full-body
Enter your personal data: age, gender, height, weight, and fitness level
Select your workout location: home or gym
Choose your preferred workout days and times
Indicate which equipment you have available
Provide any relevant health or training restrictions (e.g. injuries or cardiovascular conditions)
Set reminders to ensure you never miss a session
Take an AI fitness assessment to gauge your current level
Receive your personalised workout plan

Muscle Booster is your go-to solution for effective home and gym workouts. Take the challenge! Lose weight, build muscle and strength, and transform your life with a fully customised training plan.

Download Muscle Booster today and boost your energy, performance, and overall health with guided workouts built for your body and lifestyle.

SUBSCRIPTION INFO
You can download the app for free and access limited features. To unlock the full experience, a subscription is required.

Additional in-app purchases (e.g. fitness guides or VIP customer support) may be offered for a one-off or recurring fee. These are entirely optional—your subscription does not depend on them. All offers will be clearly presented within the app.

Terms of Use: https://legal.muscle-booster.io/page/terms-of-use
Privacy Notice: https://legal.muscle-booster.io/page/privacy-policy
Updated on
23 Oct 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Financial info and Device or other IDs
This app may collect these data types
Location, Personal info and 5 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.4
240K reviews
Robert Foppiano
12 October 2025
I like the app. This has made it easy to stay on track and keep me interested in continuing. I do an easy 10_15 minute workout and can customize it if I would like. I can add exercises to the workout when Im feeling good and have more time. But although I choose the shorter workouts, I feel it is keeping me moving more that if I did not. I like you can go at your own pace, and I like I like the flexibility of it. Its been a good thing for me and has helped me come back from a serious injury.
2 people found this review helpful
Did you find this helpful?
WELLTECH APPS LIMITED
13 October 2025
Hello Robert, Thank you for your feedback! It’s wonderful to hear how the app has positively influenced your fitness journey and offered you flexibility. Your progress after injury is truly inspiring. Keep enjoying those workouts at your own pace! If you have more to share, please email me at adam.support@muscle-booster.io. – Adam, MuscleBooster
Max Steele
23 October 2025
App was good until recently. Swapping exercises causes additional rounds to be added. I had up to 8 rounds on my 4-round workout. Several workouts have been restarted after checking a text or changing songs. Countdowns to start and finish workouts seem to come and go. And more times than I can count the screen goes blank when it's time to start an exercise.
1 person found this review helpful
Did you find this helpful?
WELLTECH APPS LIMITED
23 October 2025
Hi Max! I'm sorry to hear that you've faced issues with unexpected rounds and workouts restarting. Your feedback is really valuable to us. If you could share more details at adam.support@muscle-booster.io, it would help us to investigate the case and provide you with a resolution. – Adam, MuscleBooster
Wesley Franks
14 October 2025
The first version was amazing. Step tracker & encouraging pop up messages were motivating. Then came an update & the step tracker would periodically stop working. Multiple messages to have it fixed were met with empty promises that they were working on it. New update came out and now it doesn't work at all. You had something great, but not worth the cost when your fix it team can't fix it. Your birthdates show inaccurate, save incorrectly, and the simple day, month & year are completely wrong
Did you find this helpful?
WELLTECH APPS LIMITED
14 October 2025
Hi Wesley! Thank you for your feedback. We appreciate you bringing the step tracker and date issues to our attention. Your input is vital, and we’re committed to improving your experience. We already contacted you from support@muscle-booster.io. – Adam, MuscleBooster

What's new

Squished a few bugs along the way to make Muscle Booster an even smoother workout experience for you. Thanks for being a part of our journey! And don’t forget, if you’re enjoying the app, a quick rating means the world to us and we read each one with gratitude.