Workout generator
Protokl vs FitnessAI
FitnessAI uses an algorithm to pick your weights, sets, and reps each session. Protokl programs progressive overload too — tied to your goal weight and recovery — and it also handles your nutrition and body-composition forecast, which FitnessAI doesn't.
| Feature | FitnessAI | Protokl |
|---|---|---|
| Calorie & macro tracking | — | ✓ |
| AI meal-photo loggingSnap your plate and macros are logged automatically. | — | ✓ |
| Body-composition forecastProjects your weight, body fat %, and lean mass 3–12 months out. | — | ✓ |
| Apple Health integration | Partial | ✓ |
| Free tier | Partial | ✓ |
| Auto weight/rep prescription | ✓ | ✓ |
| Progressive overload / auto-progression | ✓ | ✓ |
What FitnessAI does well
- Automatic weight, set, and rep prescription with a simple, guided gym flow.
- A straightforward experience if you only want your lifts prescribed.
- Available on iOS (and works well for barbell-focused training).
Where Protokl is different
- Training AND nutrition in one app — FitnessAI doesn't track macros or calories.
- A body-composition forecast projecting weight, body fat %, and lean mass 3–12 months out.
- AI meal-photo logging plus macros that adapt weekly.
- Progressive overload tied to your goal weight and recovery (a science-based algorithm).
- Deep Apple Health integration across 50+ data types.
Pricing
Both use subscriptions; Protokl has a free tier. Check current pricing on each app’s store listing.
Protokl vs FitnessAI — FAQ
Is Protokl a good FitnessAI alternative?
If you want training and nutrition (and a body-composition forecast) in one app, yes. If you only want your weights and reps prescribed, FitnessAI is built for that.
Does Protokl prescribe weights and reps?
Yes — Protokl programs progressive overload from your performance, recovery, and goal weight (a deterministic, science-based algorithm).
What does Protokl add over FitnessAI?
Full nutrition tracking, AI meal photos, adaptive macros, and a body-composition forecast.
Is Protokl free?
Protokl has a free tier plus an optional App Store subscription.
Does Protokl work on Android?
Not yet — Protokl is iOS-only today.
One app instead of three
Nutrition, training, and your body-composition forecast — together. Free on iOS.
Download Protokl — FreeComparison based on publicly available information as of June 28, 2026. FitnessAI is a trademark of its respective owner; this page is an independent comparison and is not affiliated with or endorsed by FitnessAI.