MassAI: Gym Personal Trainer

Workout Planner, Macro Diet

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Build muscle with your 24/7 AI personal trainer. Get custom workout splits, instant photo macro logging, and recovery tracking. Start your 7-day free trial. Stop guessing your gym weights or tracking macros in clunky spreadsheets. MassAI is your 24/7 AI strength coach and nutritionist: building custom workout splits, tracking progressive overload, estimating macros from meal photos, and auto-adapting your plan based on recovery. HOW MASSAI HELPS YOU BUILD MUSCLE 24/7 AI Strength Coach Chat with a coach that remembers your lifting history, goals, and equipment. Ask how to break a bench plateau, what to substitute when a machine is busy, or how to train around fatigue. Adaptive Training Plans Get a custom workout split matched to your schedule, experience level, and gym equipment. Log sets and reps in a fast, streamlined tracker with automatic progressive overload targets. Daily Recovery Scoring Connect Apple Health to turn sleep, heart rate, and training volume into a daily recovery score. MassAI automatically adjusts workout intensity so you push hard when fresh and avoid injury when fatigued. Instant Macro & Meal Tracking Calculate exact calorie and protein targets tailored to your goals. Scan barcodes for fast macro logging, or snap a photo of any meal to let MassAI estimate calories and macros instantly. Real Progress Projections Monitor weight trends, strength increases across compound lifts, and visual projections of when you will reach your physique goals. Home Screen Widgets View today's workout, your daily recovery score, and remaining macro targets directly from your iOS Home Screen without opening the app. MASSAI COACH FEATURES Explore MassAI with a 7-day free trial. MassAI Coach includes: - 24/7 interactive AI coach chat with persistent memory - Post-workout AI debriefs and performance insights - Personalized high-protein AI recipes saved to your library - Apple Health integration (sleep, heart rate, workouts) - Dynamic daily recovery scores and plan auto-adjustments - AI photo meal scanner and macro estimator - Voice logging for fast, hands-free tracking - Unlimited barcode nutrition scanning - Weekly progress and nutrition summaries - Up to 30 physique re-scans per month Start your 7-day free trial today. Cancel anytime. SUBSCRIPTION & LEGAL DETAILS Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. Manage or cancel your subscription anytime in your App Store Account Settings. Any unused portion of a free trial will be forfeited upon purchase of a subscription. MassAI provides general fitness and nutrition guidance and is not a substitute for professional medical advice. Always consult a healthcare professional before starting any new training or dietary program. Terms of Service: https://massai.fit/terms Privacy Policy: https://massai.fit/privacy

Ratings & Reviews

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- Smarter AI workout debriefs and personalized adjustments - Faster photo meal scanning and nutrition estimates - Enhanced Apple Health recovery sync and widget updates - Performance improvements and bug fixes - Made barcode scanning free

Version 1.2.1

The developer, MASSAI LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases
    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • Purchases
    • Contact Info
    • User Content
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • User Content
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • MASSAI LTD
Size
  • 100.6 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
9+
In-App Purchases
Yes
Copyright
  • © 2026 MASSAI LTD
  • Developer Website
  • Privacy Policy