Get stronger
Heavier loads, lower reps. Proven strength progressions, with every jump in weight called for you.
Radically personal strength coaching
Trainer is the AI training system that plans every set, adapts to every session, and gets you the results you actually want.
Free to log, forever. For iPhone, iPad and Apple Watch.
Everything a great coach does.
In your pocket.
Tell it your goal, your days and your gear. It builds the split, picks the lifts and sets every target.
Every set arrives pre-filled with the weight and reps to hit next, and the reason why.
Tap to complete. The rest timer starts on its own, and a quick swipe tells it how hard the set felt.
Your set and rest timer live on the Lock Screen and your Apple Watch. Log the next set without unlocking.
A coach that knows every rep you've ever logged.
Trainer Intelligence reads your whole training history and answers in plain language. It calls your next set, spots stalls and reshapes the plan when life gets in the way.
It proposes. You decide. Every change waits for your OK.
Ask your coach
Example conversation. Your coach answers from your own history. Free to try with Sign in with Apple; Trainer Pro removes the weekly caps.
What should I lift today?
Upper A. Open with bench: 82.5 kg × 5 for four sets. That's 2.5 kg more than last week, because you hit every rep.
Ask anything about your training
Proactive coaching
It spots stalls and steps in before you ask.
Calls your next set
The weight and reps to hit next, and the reason why.
Adaptive plans
Short on time, sore or on the road. The plan bends to fit.
AI Form Check
Film one set. Get a score, what to keep and one fix.
Weekly review
Every Sunday, one honest read on your week and what to change.
Your coach inside Claude & ChatGPT
Ask your AI apps about your training. Changes come back to Trainer for your OK.
Works with everything you already train with.
- Apple Watch
- Apple Health
- Live Activities
- Dynamic Island
- iCloud
- Apple Calendar
- Claude
- ChatGPT
- Sign in with Apple
- Smart Stack
Film one set. Get one fix.
AI Form Check scores your set, tells you what to keep and the one thing to change. Then the video is deleted.
Your goal changes everything.
So does your plan.
Build muscle
More volume in the hypertrophy range, tracked muscle by muscle so nothing gets left behind.
Lose fat
Keep the muscle while you lean out. Strength first, conditioning that fits around it.
Athletic performance
Power, speed and conditioning, with jumps and throws programmed like lifts.
Just want to feel good?
Most apps count your reps. Trainer decides the next one.
Bad week? Sore knee?
It adjusts.
Got 30 minutes, not 60? It keeps the lifts that matter and trims the rest.
Flag it once. Knee-friendly swaps from then on, until you say it's better.
Hotel gym or no gym. It rebuilds the session around what's there.
Life happens. It reshuffles the week instead of piling it on.
See the day you'll hit your goal.
Your lifts, plotted forward. See when 100 kg arrives, and what moves it closer.
Week-by-week blocks that build to a peak, with deloads planned in.
Every Sunday, one honest read on your week and what to change.
Your estimated max for every lift, and how far it's moved.
Built for the way you actually train.
800+ exercises, with form cues
Every lift shows the muscles it works and how to perform it, step by step.
Apple Health & iCloud
Workouts save to Apple Health, and your whole history syncs through iCloud.
24 proven programs
Starting Strength, 5/3/1, GZCLP, PPL and more, ready to run. Or build your own with AI in about 30 seconds.
Your coach in Claude & ChatGPT
Ask your AI apps about your training. Any change comes back to Trainer for your OK.
Small numbers. Big lifts.
- Exercises
- 800+exercises, with form cues
- Programs
- 24ready-made programs
- Taps
- 1tap to log a set
- Cost
- $0to log, forever
Your training stays yours.
Readiness runs on your phone
Sleep and training load are read on device.
Form videos are deleted
Scored, then gone. Never kept, never shared.
No ads. Ever.
Just training.
Free to train. Pro when you want a coach.
Free
$0, forever
Log, follow a program and see your progress.
Free, forever:
- Logging in one tap
- Next-weight suggestions
- 24 programs
- Full progress history
- Strength projections
- Apple Watch and Health
- 5 AI coach questions a week
- 1 AI Form Check a month
Trainer Pro
$34.99/year
After a 1-week free trial. Or $4.99/month.
Everything in Free, plus:
- No weekly coach caps
- Proactive coaching
- Adaptive plans
- Training blocks
- 7 AI Form Checks a week
- Weekly review
- Live bets
- Your coach in Claude & ChatGPT
Questions, answered.
Is Trainer free?
Yes. Logging, next-weight suggestions, programs and your full history are free forever. The AI coach is free to try, with five questions a week. Pro removes the weekly caps.
Do I need a gym?
No. Tell it what you have — a full gym, dumbbells at home, a hotel, nothing at all — and it builds around it.
I'm a beginner. Is it for me?
Yes. Beginners start with less volume and slower jumps, and every lift has form cues.
Does it work with Apple Watch?
Yes. Start sessions, log sets and track heart rate from your wrist. Workouts save to Apple Health.
How does the AI coach work?
It reads your training history and answers in plain language. When it suggests a change, you approve it first. Free to try with Sign in with Apple; Pro removes the weekly caps.
Is it on Android?
Not yet. Trainer is built for iPhone, iPad and Apple Watch.
