Precision nutrition tracker
Protokl vs Cronometer
Cronometer is the go-to for precise calorie and micronutrient tracking from a carefully curated database. If you also want your training programmed and your body composition forecast, Protokl brings nutrition, lifting, and projection into one app.
| Feature | Cronometer | Protokl |
|---|---|---|
| AI meal-photo loggingSnap your plate and macros are logged automatically. | — | ✓ |
| Strength-training programmingProgressive overload programmed around your goal and recovery. | — | ✓ |
| Body-composition forecastProjects your weight, body fat %, and lean mass 3–12 months out. | — | ✓ |
| Calorie & macro tracking | ✓ | ✓ |
| Apple Health integration | ✓ | ✓ |
| Free tier | ✓ | ✓ |
| Micronutrient (vitamin/mineral) trackingProtokl tracks key micros (fiber, sugar, sodium, and more); Cronometer goes deeper on full vitamins and minerals. | ✓ | Partial |
| Android & web appsProtokl is iOS-only today. | ✓ | — |
What Cronometer does well
- Industry-leading micronutrient tracking — vitamins and minerals from a curated, accuracy-focused database.
- Trusted by researchers, dietitians, and precision-minded users; iOS, Android, and web.
- Excellent data accuracy and detailed nutrition breakdowns.
Where Protokl is different
- Nutrition plus a science-based strength program and a body-composition forecast — Cronometer is nutrition-only.
- A body-composition forecast projecting weight, body fat %, and lean mass 3–12 months out.
- AI meal-photo logging built into the core experience.
- Workouts that auto-progress with progressive overload from your performance, recovery, and goal weight.
- Deep Apple Health integration across 50+ data types.
Pricing
Both have free tiers with paid upgrades. Check current pricing on each app’s listing.
Protokl vs Cronometer — FAQ
Is Protokl a good Cronometer alternative?
If you want training and a body-composition forecast alongside nutrition, yes. For deep micronutrient precision specifically, Cronometer is still the leader.
Does Protokl track micronutrients like Cronometer?
Protokl focuses on macros and calories. Cronometer’s detailed vitamin and mineral tracking is genuinely deeper.
What does Protokl add over Cronometer?
Strength programming, a body-composition forecast, and AI meal-photo logging.
Is Protokl free like Cronometer?
Both have free tiers; Protokl’s premium is an App Store subscription.
Does Protokl work on Android or web?
Not yet — Protokl is iOS-only today. Cronometer is on iOS, Android, and web.
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. Cronometer is a trademark of its respective owner; this page is an independent comparison and is not affiliated with or endorsed by Cronometer.