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Personalized nutrition guidance

Get nutrition guidance that keeps up with your training.

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What your plan does for you

  • Nutrition that matches your training goal

    Your nutrition guidance is aligned with what you're actually working toward.

  • Log a meal in seconds

    Add it to your daily intake with one tap — with a meal photo or a short description.

  • Fresh meal ideas every day

    Get 3-5 new recipe suggestions daily — with calories, macros, ingredients, and cooking instructions.

  • Track your calories and macros

    Monitor your daily intake so your nutrition stays on track.

  • Intermittent fasting timer

    Set your fasting window and let Muscle Booster track it for you.

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Other Features

  • Personalized workout plan

    Personalized workout plan

    Follow a plan built around your goals, fitness level, and available equipment.

  • Workout creator

    Workout creator

    Pick how you like to train and get your session ready in seconds.

  • AI coach

    AI coach

    Get workout feedback, tailored training advice, and answers to all your fitness questions.

  • Award
    3000+
    exercise library
  • Award
    70M+
    downloads
  • Award
    4.6
    rating*
    *based on 128,000 AppStore ratings

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Why people love Muscle Booster

  • This program is making me feel much better…

    This program is making me feel much better even after the first few days.

    Chris Polo Barnes

  • I really like the workouts…

    You can customize length and difficulty. Better than others I have tried.

    Drums18

  • I really like the app.

    I use it almost daily. It has exercises for all levels and they're quite comprehensive.

    Ippolito Garzaro

  • Very well done, easy to follow, and with consistent support.

    Very well done, easy to follow, and with consistent support. The exercises are well explained. A very good app.

    Marc Drolet

  • A variety of exercises, adapted to my abilities.

    After 3 weeks, I'm rediscovering some forgotten muscles.

    Serge Lizzola

  • Needed something to get me moving and committed again.

    This is a great way to reach daily goals

    JayCee 51

  • By far the best App I’ve found

    By far the best App I’ve found. Flexible programs, adjustable, and enjoyable!

    nomisb3

  • Perfect workout to start the summer! The workout was so easy to register and…

    The workout was so easy to register and follow the directions. The trainer shows and explains at the same time what to do . The workout starts slow and adjusts to the person’s level of readiness for the next lesson. I haven’t exercised in years , this was a perfect start! It works well. This app is the best I tried . Only a couple reminders throughout the day. Simple and easy.

    Mary

  • After one week +I feel better, and will continue.

    I started more than a week ago, it is a clear and easy to follow, The timing is good, the exercises are well explained. I enjoy it, and will continue.

    zeev jonas

  • Workout catered to your injuries

    I am broken. I have lower back problems with pressure on a nerve going down my left leg, I also have neuropathy with balance problems. The app allows you to enter injuries and prepares a workout catered to your injuries. After you do a workout, the app asks for feedback on each exercise and if you found an exercise too difficult, the app will make adjustments to your workout.

    D.M.

  • I've used this app for two years.

    I've used this app for two years. Great results. Lots of variety. Good feedback and tracking of progress.

    Jim Stacey

  • Muscle Booster has been great in it's…

    Muscle Booster has been great in it's approach to improve my physical as well as mental health. This process has proven to be what I needed to improve my physical and mental health for my age.(70)

    oliveroree

  • PHENOMENAL

    I'm 69 years old, it has improved my mobility, flexibility, and balance, very easy to follow!

    William R Peguero

  • Taking care of me

    I’m 56 years old and I had triple bypass about a year ago. I decided to do better and exercise regularly. I love this app. I like the diversity of it and I can pick the workout that I want to do.

    dustypsalms

FAQ

Find answers to your questions about Muscle Booster.

How does personalized nutrition guidance work?

Muscle Booster builds your nutrition guidance around your training goal, whether that's losing weight, building muscle, or improving energy levels. You get calorie targets and macro breakdowns tailored to what you're working toward. Want to go further? Unlock Daily Meal Suggestions for personalized recipes updated every day, matched to your calories and macros.

Can I track calories and macros?

Muscle Booster includes a calorie and macro tracking tool. Log your meals by taking a photo or leaving a short description — the app keeps a running total so you always know where you stand.

Does the app support intermittent fasting?

Yes. Muscle Booster includes a dedicated intermittent fasting feature with a fasting timer to help you stick to your chosen fasting window. It works alongside your training plan so your fasting schedule and your workouts complement each other.

Are meal suggestions personalized?

Yes — meal suggestions are updated daily and aligned with your calorie targets and nutritional goals. Each suggestion includes the full recipe, ingredient list, calorie count, and macro breakdown, so you know exactly what you're eating.

Can nutrition guidance support muscle growth?

Absolutely. If your goal is building muscle, your nutrition guidance is structured to support it, with meal suggestions rich in protein, calorie targets set for muscle gain, and macro breakdowns that reflect what your body needs to recover and grow after training.