Every rep. Every meal. Every day.
Tetsu plans your training week with AI, logs meals in one tap with USDA-grade facts, and turns showing up into progress you can see: photos, PRs, streaks.
On the App Store & Google Play · Free to start · No ads, ever
The real app, not mockups
Straight from the shipping build.
One app for the whole discipline
- AI week planning
Describe how you want to train and eat. Tetsu drafts your week: workouts matched to your equipment, meals that hit your macros. You approve every slot.
- 1,289-exercise library
Every movement with an animated demonstration and step-by-step form cues, searchable by muscle and equipment.
- Meal logging
One-tap logging with USDA-grade nutrition facts, or describe any meal in plain English and let AI parse the macros.
- Progress photos
Private progress photos with side-by-side comparison, so the mirror finally has receipts.
- Streaks & achievements
A daily streak and 100 achievements, from your first PR to a full year of showing up.
- PR detection
Personal records spotted automatically across every rep range, the moment you log the set.
- Machine scanner
Photograph any gym machine mid-workout: Tetsu identifies it, matches the exercise, and adds it to your session. Unknown machine? AI drafts it as a custom exercise on the spot.
- Photo meal logging
Point the camera at your plate and log the whole meal in one tap: AI reads the portions and grounds the numbers in USDA reference data.
- Works with Claude & ChatGPT
Connect your AI assistant and manage workouts, meal plans and routines by chat. Tetsu speaks MCP.
Free forever. Pro when you're ready.
Logging never goes behind a paywall. Pro raises the ceilings and unlocks the deeper analysis.
| Feature | Free | Pro |
|---|---|---|
| Workout & meal logging | Unlimited | Unlimited |
| Exercise library & form guides | Full | Full |
| Workout templates | 3 | Unlimited |
| AI requests | 3 / day | 100 / day |
| Advanced analytics | — | Included |
| Progress photo comparison | — | Included |
Pro is $9.99/month or $59.99/year, and every subscription starts with a 7-day free trial.
Start browsing without the app
The full exercise and meal libraries are on this site: every page free to read, every entry one tap to track.
TETSU