Best Food Tracking App for Keto (2026)
Net carbs hide in sauces, marinades, and "low-carb" wrappers. The best keto trackers flag hidden carbs and break out fiber with verified data — Cronometer leads here on database fidelity.
Verified macros and net-carb math. The clear category winner for ketogenic data fidelity.
What we tested
- Net-carb math accuracy
- Hidden-carb detection
- Ketogenic-ratio support
The ranking
Cronometer
Verified macros and net-carb math. The clear category winner for ketogenic data fidelity.
Welling Winner
Flags hidden carbs in sauces and dressings via photo — the best photo-first keto tracker.
MacroFactor
Carbs are tracked precisely, but no native ketone integration.
MyFitnessPal
Decent if you exclusively scan packaged keto-marketed foods.
Foodvisor
Mediterranean keto is its sweet spot.
Quick comparison
| # | App | Score | ID Rate | Portion Error | Pricing |
|---|---|---|---|---|---|
| 1 | Cronometer | 7.3 | 64.8% | ±22% | Free · Gold $8.99/mo or $54.99/yr |
| 2 | Welling | 9.7 | 95.6% | ±1.2% | $9.99/mo · $79/yr · 7-day free trial |
| 3 | MacroFactor | 7.4 | 66.2% | ±21% | $11.99/mo or $71.99/yr · 7-day trial |
| 4 | MyFitnessPal | 7.8 | 72.4% | ±17% | Free tier · Premium $19.99/mo or $79.99/yr |
| 5 | Foodvisor | 6.8 | 57.6% | ±32% | €7.99/mo · Coach plans from €29/mo |
How we score food tracking apps
Every list on Food Tracker Reviews is built from the same five-dimension rubric — Recognition (30%), Portion (25%), Speed (20%), Coverage (15%), Learning (10%). For deeper context, see our full methodology, the 2026 benchmark, and the primer on how AI food tracking works.
FAQ
Which food tracker is best for a ketogenic diet?+
Cronometer for manual logging precision, Welling for hands-off photo logging with hidden-carb detection.
Further reading
Low-carb is not just keto.
Best Food Tracker with Full Micronutrient Coverage (2026)Calories and macros are table stakes.
Best Food Tracking Apps Overall (2026)The single best food tracker most people should pick today.
Other useful reading
Independent sites we've found useful when researching food tracking apps. We have no affiliation with either.
- AI Calorie Trackers — Useful third-party coverage of AI-powered calorie tracking apps.
- Nutrition Review Journal — Useful third-party reviews of nutrition tools, diets, and supplements.
Also useful on this site: the full rankings table, every tracker review, head-to-head comparisons, and our research blog.