Muscle Booster – Plan Workouts

In-app purchases
4.5
241K 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 Workout Planner serves as a personal trainer substitute, assisting you in achieving improved physical fitness, whether you're at home or in the gym.

From muscle building gym workout plans to calisthenics exercises and weight loss, Muscle Booster creates a personalised workout plan based on your goals and personal data. So whether you work out at home or at the gym, Muscle Booster's smart training algorithm will guide you through your sets, rep ranges and rest intervals to help you achieve your training goals and reach your personal milestones more efficiently.

WHY WORKOUT WITH MUSCLE BOOSTER?

1) Gain access to a library of 1000+ workouts, tailored to both men and women for muscle gain, weight loss, recovery and more, both at home or at the gym.
2) Use Workout Player for audio exercise tips, instructions, information on muscles being used and a workout / rest timer (workout controls available via Apple Watch)
3) Join Challenges based on your onboarding information – from Morning Routines, Calisthenics, Fat Burning, Chair Workouts and Dumbbells to 6-Pack and Injury Recovery.
4) Create plans based on the equipment available to you - from free weights to machines, bands and bodyweight stations
5) Each workout plan offers a completion time and number of calories you are likely to burn
6) Every time you complete a workout, Muscle Booster will display which muscles you should use next and which need to recover
7) Achieve Mini Milestones to stay motivated and feel the positive effects from training

HOW DOES WORKOUT PLANNER WORK?

- Set your fitness goals - weight loss, muscle gain, strength gain, flexibility or injury recovery
- Select your target zone - arms, core, abs, pecs, stomach, legs, chest, shoulders or full-body
- Enter your personal data - age, gender, height, weight and fitness level
- Set your desired workout location – gym or home
- Choose which days and what times suit you to workout
- Select the equipment available
- Enter any health or training restrictions, from injuries to cardiovascular disease
- Add personal reminders to ensure you never miss an opportunity to workout
- Take an AI test to measure your fitness level
- Receive a personalised workout plan

Muscle Booster is the ultimate choice for home and gym workouts. Take on the challenge, lose weight, build muscle and strength, and change your life with your personalised gym workout planner.

Download the Muscle Booster app to boost your energy and health with effective workouts.

SUBSCRIPTION INFO
You can download the app for free and use limited functionality without payment. If you’d like to have a full experience with the app, you will need a subscription.

In addition to the purchased subscription, we may offer you add-on items (e.g. fitness guides, VIP customer support service) for an additional fee, either one-off or recurrent. This purchase is optional: your subscription is not conditional on such a purchase. All such offers will be displayed in the app.

Muscle Booster Terms of Use: https://legal.muscle-booster.io/page/terms-of-use
Muscle Booster Privacy Notice: https://legal.muscle-booster.io/page/privacy-policy
Updated on
26 Jun 2025
Events and offers

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

4.5
238K reviews
mark lerma
26 June 2025
Many issues with this app. First, they lied and told me my program was $15 dollars a month then charged me $39 for the second month. You can't skip a workout...you have to finish the current one before it will load the next day. The program locks up too much and you can not go back to redo the exercise you missed. If you close out of the workout before you are finished, you have to start all over again. There are no bicep exercises in any of the workouts even in the full body workouts.
Did you find this helpful?
WELLTECH APPS LIMITED
26 June 2025
Hi, Mark. I’m sorry that there has been some confusion with your plan's auto-renewal and payment. Subscriptions renew automatically to save users from manually updating their plans. However, it seems there was a misunderstanding in this case. For further assistance I will contact you from support@muscle-booster.io. – Adam, MuscleBooster
diamond zieman
29 June 2025
I like that you can choose which muscles to target. I think when the free features of the app you can only create a workout and then you can't even use the workout you created. Other than the targeting muscle feature, it's like every other app. I can't say I like anything about the app when it's so limited.
Did you find this helpful?
WELLTECH APPS LIMITED
1 July 2025
Hi, there - thanks for sharing your thoughts! You can find your workout plan in the 'Plan' tab of the app. Each day, it includes both your main workout, as well as additional activities. You’re free to complete them at different times, if that works better for you. Please reach out to me at adam.support@muscle-booster.io. – Adam, MuscleBooster
Jeff DeBoer
29 June 2025
Fantastic app! Highly customizable for your personal abilities, goals, and equipment you have at your disposal at home or at the gym. Reminders and motivational messages keep me engaged and the variety of exercises keep me interested and I am very happy and satisfied with the value. I've tried other similar programs. I appreciate that Muscle Booster doesn't constantly try to upsell me supplements or anything. It's a great program and a great app and I'm getting great results!
Did you find this helpful?
WELLTECH APPS LIMITED
1 July 2025
Hi, Jeff. Thank you for your feedback. We’re thrilled to hear you're enjoying the app. I'd love to hear more about your experience and how we can make it even better for you. Please share details about your experience by reaching out to me via email at adam.support@muscle-booster.io.I can't wait to hear from you! - 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.