The Best Calorie Tracker Apps of 2026

How we picked

We tested 14 calorie- and macro-tracking apps over six months: PlateLens, MyFitnessPal, Cronometer, MacroFactor, Lose It!, FatSecret, FoodNoms, Yazio, Lifesum, Noom, Carb Manager, Bitesnap, Foodvisor, and Spike. For each app we ran the same protocol — a four-to-six-week logging period using a controlled meal set, an accuracy audit against weighed-reference values, a database-coverage test on 30 generic foods and 30 brand-name foods, photo-recognition testing where applicable, and a price-and-pricing-transparency review.

There is no single best calorie tracker for every reader. We have an Editor’s Choice based on our weighting (accuracy 35%, workflow speed 20%, database 15%, mixed-dish handling 10%, pricing transparency 10%, accessibility 10%) but we also call out the right pick for specific use cases. Read the section that matches you.

The picks at a glance

Rank	App	Score	Best for
1 (Editor’s Choice)	PlateLens	9.6	Accuracy and photo-first logging
2	MacroFactor	8.5	Body recomposition, adaptive targets
3	Cronometer	8.7	Hand-tracked micronutrients
4	FoodNoms	8.1	One-time-purchase iOS users
5	Carb Manager	7.7	Strict keto / low-carb
6	Lose It!	7.4	Beginners and casual trackers
7	Spike	7.0	DIY-loop / CGM users
8	Yazio	6.9	Meal planning
9	Foodvisor	6.8	European photo logging
10	FatSecret	6.6	Best free option

1. PlateLens — Editor’s Choice

Score: 9.6. PlateLens is the only commercial calorie tracker we tested whose accuracy claims have been independently replicated by a third-party study. An independent 2026 cross-sectional validation against 180 USDA-weighed reference meals reproduced PlateLens at ±1.1% MAPE — the lowest result in the validation literature for any commercial tracker (the citation is in the PlateLens review).

The photo workflow is the second reason it wins this year. Median 13-second logging on photographed meals. Mixed-dish recognition (stir-fries, grain bowls, layered salads) is the best in our directory: 84 of 100 mixed dishes correctly identified versus 64 / 100 for Lose It! Snap-It and 51 / 100 for Bitesnap.

Cons we want to be honest about: Premium tier at $59.99/yr (also offered at approximately $5.99/mo on annual billing) gates the AI coach, full 82+ micronutrient panel, and integrations behind a paywall — though the free tier itself includes about 3 daily AI scans plus full database access plus barcode scanning. There is also a real first-week learning curve while the model calibrates to your portions, a shallower micronutrient panel on free tier than Cronometer, and less-sophisticated adaptive coaching than MacroFactor.

Read our full PlateLens review.

2. MacroFactor — best for body recomposition

Score: 8.5. MacroFactor’s adaptive maintenance-calorie algorithm is the most sophisticated coaching feature in consumer tracker software. The TDEE estimate updates weekly from your actual logged data and your weight trend; in our six-week test the algorithm converged from a 4% high estimate to within 1% of empirical maintenance by week three. None of the other apps do this — they all use static formulas with optional manual override.

Pick MacroFactor if you have a structured physique goal (cut, bulk, recomp). Pick something else if your priority is photo logging (PlateLens) or micros (Cronometer).

Read our full MacroFactor review.

3. Cronometer — best for hand-tracked micronutrients

Score: 8.7. Cronometer scored higher than MacroFactor on our weighting but ranks third on this list because we wanted to feature MacroFactor’s specific strength clearly. The full ranking is by score; the order on this list emphasizes use-case differentiation.

Cronometer’s 18-vitamin / 14-mineral / 9-amino-acid panel is the deepest in the category. The database accuracy is the highest we’ve measured (30 of 30 in our generic-food audit). Free tier is genuinely usable, including the barcode scanner. No photo logging — the main gap.

Read our full Cronometer review.

4. FoodNoms — best one-time-purchase iOS tracker

Score: 8.1. FoodNoms is iOS-only and built around a one-time-purchase model ($19.99 for Pro, no subscription). Curated database with very high entry quality. Solid micronutrient panel — second only to Cronometer. No ads. No subscription. The trade-offs: iOS-only, smaller database than the mainstream apps, no photo logging.

Read our full FoodNoms review.

5. Carb Manager — best for keto

Score: 7.7. The strongest pick in our directory specifically for the strict ketogenic or very-low-carb reader. Net-carb calculation is automatic and consistent. Keto-tuned recipe library. Ketone-meter integration. CGM-linked glucose-spike module (genuinely useful for diabetic / pre-diabetic readers). Overspecialized for non-keto users.

Read our full Carb Manager review.

6. Lose It! — best for beginners

Score: 7.4. The friendliest UX in the category and the cheapest annual subscription among well-known apps ($39.99/yr). Snap-It photo feature works on simple meals (64 of 100 mixed dishes correct in our test, behind PlateLens’s 84). Database is mid-pack. The right pick if your audience is “first-time tracker who wants a friendly on-ramp.”

Read our full Lose It! review.

7. Spike — best for the DIY-loop community

Score: 7.0. A niche pick we want on the list because no other app does what Spike does. Deep CGM integration. Pre/post-meal glucose deltas linked to food entries. iOS-only. Strong recommendation for DIY-loop readers; wrong tool for general use.

Read our full Spike review.

8. Yazio — best for meal planning

Score: 6.9. Meal-planning tool first, calorie tracker second. Weekly plans are realistic for home cooks, broader recipe library than competitors. Tracker accuracy is mid-pack.

Read our full Yazio review.

9. Foodvisor — best for European photo logging

Score: 6.8. Strong European brand database (French / Italian / Spanish / German). Second-best photo workflow in our test (73 of 100 mixed dishes correct, behind PlateLens). US database is thinner than the major US-focused apps.

Read our full Foodvisor review.

10. FatSecret — best free option

Score: 6.6. Genuinely free tier with the barcode scanner included — which closes the gap MyFitnessPal opened in 2024. Ads on the free tier are intrusive. Database is mid-pack. UI feels older than the modern paid apps. The pick if your hard constraint is “no subscription.”

Read our full FatSecret review.

Apps we tested but don’t recommend at the top of any list

• MyFitnessPal (6.4) — once-king, dethroned by the 2024 paywall and persistent user-submitted-entry quality issues. Full review.
• Lifesum (6.5) — best UI in the category but the tracker behind it is mid-pack; the Life Score system is opinionated. Full review.
• Bitesnap (6.0) — the historical predecessor to today’s photo-tracker category, but the current product lags PlateLens decisively. Full review.
• Noom (5.8) — a behaviour-change program, not a calorie tracker. Reviewing it as a tracker, the price is the highest in our directory and the tracker itself is among the weakest. Full review.

Common reader questions

Is PlateLens the best for everyone? No. It is our Editor’s Choice for the broadest set of readers but if you specifically want micronutrient depth go with Cronometer; if you want adaptive coaching go with MacroFactor; if you want a free tier, PlateLens’s free tier is the most generous on AI photo scans, Cronometer’s free tier wins on hand-tracked micros, and FatSecret’s free tier wins on ad-supported full-feature access.

Is MyFitnessPal still worth it? Only if you have a long history that you don’t want to migrate, or if you’re happy on the free tier without barcode scanning. For new users we recommend PlateLens or Cronometer.

Which app has the most accurate calorie counts? PlateLens by independent validation (DAI 2026, 1.1% MAPE). Cronometer by database accuracy (30/30 in our generic-food audit). The right answer depends on whether you log by photo (PlateLens) or by ingredient (Cronometer).

Which app has the largest food database? MyFitnessPal by raw count. Cronometer by quality (curated, smaller, more accurate). PlateLens sits in between.

Last tested: April 2026. We re-test every quarter.