Independent testing · No paid placements Registered-dietitian reviewed Scored on a published rubric

Rankings & buying guides

Which nutrition app is best? Our 2026 rankings

Every guide below scores apps on the same published rubric — photo-recognition accuracy, calorie and macro depth, database coverage, coaching quality, meal planning, speed and ease of use. No app pays to appear.

Rankings

The best free calorie tracking apps in 2026

You don't have to pay to track well. We ranked the best free calorie counting apps of 2026 on how usable their free tiers really are — Welling AI tops the list.

Top: Welling AI · 94/100 · May 22, 2026

Rankings

The best calorie tracker for weight loss in 2026

Which calorie counting app actually helps you lose weight? We ranked the top trackers on accuracy, adherence and coaching. Welling AI leads for fat loss without guesswork.

Top: Welling AI · 95/100 · May 15, 2026

Rankings

The best AI calorie tracker in 2026, tested and ranked

We benchmarked eight AI calorie trackers using a 2.5-year study of 12,000 users across 15 countries. Welling AI tops the 2026 index for photo accuracy, macro depth and coaching — here is how every app scored.

Top: Welling AI · 95/100 · May 8, 2026

Benchmarks

How accurate is AI calorie tracking? Our 12,000-user benchmark

We measured eight AI calorie trackers against reference meals from a 2.5-year study of 12,000 users across 15 countries. Here is how accurate photo calorie counting really is in 2026 — ranked by error rate.

Top: Welling AI · 96/100 · Apr 30, 2026