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Muscle Booster Reviews 

7,446
TrustScore 4.5 out of 5

4.3

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Review summary

Created with AI, based on recent reviews

Considering 2,897 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently report significant positive outcomes, such as weight loss, improved flexibility, and increased strength, finding the program highly effective and tailored to their needs. Many users praise the app's design, ease of use, and its ability to provide a personalized and engaging experience, making it a valuable tool for achieving fitness goals. The exercises are well-structured with clear, easy-to-follow instructions and visuals, allowing people to understand and perform movements correctly. However, some people mentioned difficulties with the app's user-friendliness and navigation, finding certain aspects confusing or the instructions for some workouts unclear.

What people talk about most

User experience

Reviewers mention positive feedback about user experience, highlighting the app's ease of use and... See more

Application

Reviewers highlight positive aspects of the app, with many finding it well-designed, easy to use, and... See more

Product

People report positive experiences with the product, finding it extremely useful for muscle strength,... See more

Subscription

Clients share ambiguous opinions on subscription, with some expressing satisfaction and others reporting... See more

Instructions

Customers consistently express satisfaction with the instructions, finding them clear, easy to follow, and... See more

Reviews shaping this summary

Rated 4 out of 5 stars

Well thought out activity plan, which is supplemented with daily 'gentle' reminders. Took the plan out for over a year and worked at it as scheduled. Didn't achieve my goals but felt that it was ben... See more

Company replied

Rated 4 out of 5 stars

Easy to follow and wide variety of exercises or whatever you want to call them. AT 82 there are things I cannot and will not do because my body doesn't have the flexibility nor the strength. With this... See more

Company replied

Rated 5 out of 5 stars

I am retired with quite a few hobbies but have a bunch of downtime. I needed something to give me improved overall fitness, lose the small waist tire, and to increase my endurance. I'm only into my... See more

Company replied

Rated 5 out of 5 stars

I have been aware of my slipping into a lazy life and my body needing to re-start a healthier way of life. Since starting the chair excersise regime, plus 10,000 steps a day. In Three weeks lost over... See more

Company replied


Company details

  1. Fitness and Nutrition Service

Written by the company

Since its inception, Muscle Booster has been dedicated to helping individuals build strength, gain muscle, and achieve their fitness goals. Our mission is to make effective muscle gain workouts accessible to everyone, regardless of experience level or fitness background. By offering personalized plans and targeted exercises, we aim to empower users to take control of their fitness journey and unlock their full potential.


Contact info

4.3

Excellent

TrustScore 4.5 out of 5

7K reviews

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4.3

All reviews

(7,446)

3,784 reviews in the last 12 months

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Rated 5 out of 5 stars
Muscle Booster logo

Reply from Muscle Booster

Hi there,

Thank you for your feedback! It’s wonderful to hear that our app is just right for you. We truly appreciate your support and are here to help if you ever need anything further.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

Started using the app as needed another…

Started using the app as needed another option to keep up fitness in between work , life etc … one which was quick , flexible and could be used when time allowed …. I have to say the exercises are great and have increased strength and fitness - without weights or going to the gym !

25 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Gary,

Thank you for your feedback! It’s great to hear that you found our exercises effective and convenient for your busy lifestyle. Your commitment to staying fit is truly inspiring, and we're glad to be part of your fitness journey! If you need any further assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 2 out of 5 stars

Not yet feel improvement

Not yet feel improvement

18 July 2026
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Reply from Muscle Booster

Hello Pasha,

We appreciate you sharing your experience with us. We are always working to improve and your feedback is valuable.

If you’d like to share more feedback or have any questions, feel free to email me at adam.support@muscle-booster.io with the subject line "TP review".

– Adam, MuscleBooster

Rated 5 out of 5 stars

Great customer service

Great customer service! I had an issue with my subscription and it was resolved very quickly.

23 July 2026
Unprompted review
Muscle Booster logo

Reply from Muscle Booster

Hi Tim,

Thank you for your feedback! It's great to hear that your subscription issue was resolved quickly and that you're satisfied with the service. If you need any further assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

If the exercise allow weight loss. The muscle work and you feel the pain

What work well is the exercises we do for 8 minutes you feel the work out. The muscles it affect feel different.

17 July 2026
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Reply from Muscle Booster

Hi there,

Thank you for your feedback! It's great to hear that you're feeling the effectiveness of the workouts and that the 8-minute exercises are delivering results for you. Your insights about how the exercises impact your muscles truly highlight the intensity of the workouts. If you have any more thoughts or need assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

I broke my right leg hip twice in…

I broke my right leg hip twice in 2024.
the last set of exercises were very hard for me
please , sent me the exercises
thanks

14 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi David,

Thank you for your feedback! We recognize that the recent exercises were hard for you, especially after breaking your right leg and hip twice this year. While we can’t send specific exercise descriptions, I encourage you to explore the app's resources for guidance tailored to your needs. If you need further assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 1 out of 5 stars

I was offered a free 1 year it's been…

I was offered a free 1 year it's been more than a month no one is assisting with how to go about getting the access they took my money 2 deductions was made but I've never seen the inside of the app😔😔😔😔😔

7 June 2026
Unprompted review
Muscle Booster logo

Reply from Muscle Booster

Hello Prudence,

We appreciate you taking the time to let us know about your experience and are sorry that it hasn’t been a positive one.

We're dedicated to providing helpful and meaningful support, so it's important that we hear about it and make sure your concerns are addressed. We’ll be in touch shortly via email to go over everything and offer further assistance.

– Adam, MuscleBooster

Rated 1 out of 5 stars

I cancelled it

I cancelled it , don't want to use my camera and for that l could not continue, got blocked

17 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hello Michel,

We appreciate you taking the time to let us know about your experience and are sorry that it hasn’t been a positive one.

We're dedicated to providing helpful and meaningful support, so it's important that we hear about it and make sure your concerns are addressed. We’ll be in touch shortly via email to go over everything and offer further assistance.

– Adam, MuscleBooster

Rated 5 out of 5 stars

I like the simplicity and ease of what…

I like the simplicity and ease of what I'm doing and, I believe, the effectiveness.

17 July 2026
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Reply from Muscle Booster

Hi MARSHA,

Thank you for your feedback! It's wonderful to know that you appreciate the simplicity and effectiveness of the app. Your experience is truly important to us. If you ever have any questions or need assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 4 out of 5 stars

good app

good application

24 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi there,

Thank you for your feedback! We're glad to hear you think it's a good app. If you have any suggestions or need assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 4 out of 5 stars

I like the program so far

I like the program so far, approaching 2 weeks in but wish there would be a bit more during the exercises about which muscle groups should be emphasized or felt, so it is easier to know if I am doing things correctly

16 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Axel,

Thank you for your feedback! It's wonderful to hear that you're enjoying the program so far. I completely understand your desire for more guidance on which muscle groups to emphasize during exercises to ensure you're on the right track. Your suggestion is truly valuable, and we’ll definitely take it into consideration. If you need further assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

I DO FEEL THE DIFFERENCE

I DO FEEL THE DIFFERENCE, I CAN DO IT ANT TIME OF THE DAY, THEAUDIO HELPS KEEP ME FOCUSED. ALL GOOD SO FAR.

24 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Robert Andrew,

Thank you for your feedback! It's wonderful to hear that you're feeling a positive difference and that the audio is helping you stay focused. If you have any questions or need further assistance, feel free to reach out at adam.support@muscle-booster.io. Enjoy your journey!

– Adam, MuscleBooster.

Rated 2 out of 5 stars

I canceled this App

I canceled this App, because of no affort

25 October 2025
Muscle Booster logo

Reply from Muscle Booster

Hello Caridsh!

Thank you for sharing your feedback.

We're sorry to hear that you decided to cancel your subscription. We completely understand that personal circumstances and budgets can change.

If there was anything else that influenced your decision or if you have any feedback about your experience with the app, we'd be happy to hear it. Your comments help us continue improving our service.

We wish you all the best and hope we may have the opportunity to welcome you back in the future.

Adam, Muscle Booster

Rated 5 out of 5 stars

The fact that the announcer encourages…

The fact that the announcer encourages you an instructs to you it is great . Not to mention the workout is challenging.

15 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi NICK,

Thank you for your feedback! It's wonderful to hear that you find the announcer motivating and the workouts challenging. Your experience is important to us, and we’re glad these features are enhancing your journey. If you have any further thoughts or need assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

Lovely fitness

Muscle Booster has been extremely useful for me, especially while traveling or on busy days when time is limited. The workouts are well designed, effective, and very easy to follow through the app is easy and good.

11 January 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Arnery,

Thank you for your feedback! It's wonderful to hear that Muscle Booster has been a helpful companion for you, especially during your travels and busy days. We're delighted that you find the workouts effective and easy to follow. If you have any questions or need further assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

Lost 6lbs in one week

Lost 6lbs in one week
Excercise was good

23 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Dan,

Thank you for your feedback! It's fantastic to hear about your progress and that you've lost 6lbs in just one week. Your achievement is truly impressive, and we appreciate you sharing this with us. If you have any questions or need further assistance, feel free to reach out at adam.support@muscle-booster.io. Keep up the great work!

– Adam, MuscleBooster.

Rated 5 out of 5 stars

What I found beneficial is that you…

What I found beneficial is that you create and tailor your workout to your specific needs. I have been able to use your app to improve my balance, increase my core strength, and improve my flexibility where before I could even reach to tie my shoelaces.

16 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi Matt,

Thank you for your feedback! It's wonderful to hear that you're customizing your workouts to meet your specific goals. We're thrilled the app has helped enhance your balance, core strength, and flexibility. Your journey is inspiring, and we appreciate you sharing your experience with us! If you need any further assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

Great improvement

Great improvement

23 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi there,

Thank you for your feedback! It's wonderful to hear that you've noticed significant improvements. Your experience is truly valued, and we're here to continue supporting you. If you have any questions or need further assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 4 out of 5 stars

Leaning about the variations in…

Leaning about the variations in excercises was very helpful

14 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi there,

Thank you for your feedback! It's wonderful to know that learning about the variations in exercises has been helpful for you. If you have any further questions or need assistance, feel free to reach out to me at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

Rated 5 out of 5 stars

Great workout!

16 July 2026
Muscle Booster logo

Reply from Muscle Booster

Hi there,

Thank you for your feedback! It's wonderful to see your enthusiasm for the workouts. If you have any questions or need further assistance, feel free to reach out at adam.support@muscle-booster.io.

– Adam, MuscleBooster.

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