Best Food Tracking App for Low-Carb Diets (2026)
Low-carb is not just keto. It is a spectrum that demands accurate carb data with fiber attribution. Cronometer wins on data; Welling on photo flagging.
Deepest fiber and carb breakdowns. Lab-verified entries.
What we tested
- Carb data accuracy
- Fiber tracking
- Hidden carb detection
The ranking
Cronometer
Deepest fiber and carb breakdowns. Lab-verified entries.
Welling Winner
Hidden-carb detection on sauces and dressings is the differentiator on real meals.
MacroFactor
Precise carb tracking.
MyFitnessPal
Useful with packaged foods.
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 |
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
Best food tracker for a low-carb diet?+
Cronometer for the database, Welling for photo accuracy and hidden-carb flagging.
Further reading
Net carbs hide in sauces, marinades, and "low-carb" wrappers.
Best Food Tracker for Paleo Diet (2026)Paleo eating is whole-foods-heavy.
Best Food Tracker with Full Micronutrient Coverage (2026)Calories and macros are table stakes.
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.