Recovery-aware training
Reads HRV, resting heart rate, sleep and activity from Apple Health to compute a daily recovery score, adjusting your session's volume and intensity automatically.
Intelligent AI Personal Trainer App
Your 24/7 AI Personal Trainer.
Real results. Less than 33p a day.
Stop overpaying for rigid workout templates and £300+/month personal trainer fees. MassAI analyses your recovery, logs your lifts set-by-set, and builds adaptive workout and macro plans tailored to your body, 24/7 on your iPhone.
Built for iPhone · Syncs with Apple Health
Human Personal Trainer vs. MassAI
Get the custom workout programming, recovery tracking, and 24/7 guidance of an elite personal trainer for a fraction of traditional personal trainer fees.
| Feature / Capability | MassAI AI Coach | Human Personal Trainer | Generic Fitness App |
|---|---|---|---|
| Monthly Investment | Fraction of PT costs | £300 – £600+ / mo | Free – £30 / mo |
| 24/7 Personal Coaching |
24/7 Unlimited AI coach
|
1–2 hrs / week
|
None (Static logs)
|
| Recovery-Based Workouts |
Auto-adjusts via Apple Health HRV & Sleep
|
Rarely tracked
|
None (Fixed routines)
|
| Instant Food & Macro Scanning |
Photo, barcode & item AI macro scanning
|
Manual food logs
|
Manual database search
|
| Post-Workout Analysis & Adapts |
Instant AI debrief after every session
|
Brief verbal recap
|
None
|
A 24/7 Personal Trainer in Your Pocket
Logging is where other apps stop. MassAI connects your workouts, daily recovery, and nutrition into one intelligent loop that adapts your plan every day.
Snap your food & track macros
Photograph a meal, scan a barcode, or count items for fast, accurate calorie and macro estimation without manual searching.
A coach that knows your history
Chat or talk with an AI coach that remembers your goals, training history, and past shoulder or knee soreness to tailor its advice.
Private physique check-ins
Upload progress photos to receive an AI physique analysis and tailored plan. Photos are processed instantly and are never stored on our servers.
Custom macro-matched recipes
Request a meal idea and get a recipe calculated precisely to fit your remaining daily protein, carbs, and fat targets.
Flexible workout splits
Reorder workout days or adjust your weekly split whenever your schedule changes. Your AI personal trainer adapts while keeping you on target.
In-depth post-workout debriefs
After every workout, the AI trainer analyses your sets, difficulty, and performance to adjust your upcoming workouts.
Progress & body weight trends
Track body weight and strength trends over time so you know your plan is delivering visible, measurable results.
Automated progressive overload
MassAI tells you precisely when to increase weight or reps so you build lean muscle, gain strength, and avoid plateaus safely.
Macro Calculator
Calculate Your Target Daily Macros
Enter your details below to calculate your daily calories, protein, carbs, and fat target instantly.
Your Estimated Daily Target
2,450
kcal / day
Want to automatically log your meals to hit these macros from a simple photo?
Download MassAI to Auto-Log Macros
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Recovery screenscreenshot coming
Nutrition screenscreenshot coming
Training screenscreenshot coming
See Your AI Trainer in Action
Tap a feature to preview how MassAI connects your training, food, and recovery into continuous coaching.
How Your AI Workout Coach Works
MassAI runs a continuous feedback loop: it plans your sessions, you train and log, it learns and refines your routine.
-
1
Set your goal
Share your fitness goals, experience level, and schedule, then connect Apple Health.
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2
Get your plan
Your AI personal trainer builds a custom workout split and macro targets matching your body and schedule.
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3
Train with guidance
Each workout adapts to your daily recovery score. Log sets and snap meals effortlessly.
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4
Debrief & adapt
After workouts, the AI coach reviews performance and refines upcoming sessions automatically.
The more you train, the smarter your AI coach gets.
Frequently Asked Questions
What is an AI personal trainer app?
An AI personal trainer app like MassAI combines workout programming, recovery analytics, and nutrition tracking into an automated coach. It analyses your daily recovery data, logs your lifts set-by-set, and adjusts your routines in real time.
How does MassAI compare to hiring a human personal trainer?
Traditional personal trainers cost between £300 and £600+ per month for 1-2 hours a week. MassAI acts as a 24/7 personal trainer in your pocket for less than 33p a day, adjusting every workout based on your Apple Health recovery data.
How does MassAI adjust my workouts based on recovery?
MassAI syncs with Apple Health to read heart rate variability (HRV), resting heart rate, and sleep quality. It generates a daily recovery score and automatically scales your workout volume and intensity to prevent burnout and maximize strength gains.
Can I track my food, calories, and macros with MassAI?
Yes. MassAI includes instant food scanning where you can photograph a meal or scan a barcode to estimate calories, protein, carbs, and fats without searching tedious food databases.
Is MassAI compatible with Apple Health and iPhone?
Yes. MassAI is built specifically for iPhone and integrates seamlessly with Apple Health to pull sleep and recovery metrics automatically.
Meet your AI personal trainer
Download MassAI on your iPhone and start training smarter from your very first session.
Requires iPhone · Syncs with Apple Health