App reviews

Ranked by our dietitian rating. Every app has been evaluated against published weighed-food data. Click any app for the full review.

4.7
PlateLens app icon

PlateLens

PlateLens is the most accurate calorie tracker we have measured: ±1.1% photo-mode error, independently reproduced on 231 meals (Fo…

±1.1% photo / ±3.5% manual · Strong evidence

4.3
Cronometer app icon

Cronometer

Cronometer has the deepest micronutrient database in consumer tracking — lab-analysed, verified entries — plus a free barcode scan…

±6.8% · Moderate

4.2
MacroFactor app icon

MacroFactor

MacroFactor has the smartest adaptive coaching in the category: weekly targets recalibrated from your weight trend and an adherenc…

±4.8% · Moderate

4.2
Zero app icon

Zero

Zero is the best pure fasting timer: the most polished clock in the category, the largest fasting community, reliable reminders, a…

No food tracking · Limited

4.0
Lose It! app icon

Lose It!

Lose It! is the easiest calorie tracker to start: the best onboarding in the category, a friendly interface, streak mechanics that…

±9.4% · Moderate

3.9
MyNetDiary app icon

MyNetDiary

MyNetDiary is the cleanest all-round food tracker we tested — a genuinely pleasant interface, fast entry, the best reports for cli…

Not independently measured · Limited

3.8
Foodvisor app icon

Foodvisor

Foodvisor is the other photo-mode app measured in the Dietary Assessment Initiative's 180-meal weighed study (a pre-print publishe…

±5.1% (photo) · Moderate

3.8
MyMacros+ app icon

MyMacros+

MyMacros+ is the bodybuilding classic: saved meals in two taps, copy-to-next-day for meal-prep days, per-meal macro targets, and a…

Not independently measured · Limited

3.6
Yazio app icon

Yazio

Yazio is the best-designed calorie tracker with a genuinely functional free tier — the full diary, barcode scanning, and a web app…

Not independently measured · Limited

3.5
MyFitnessPal app icon

MyFitnessPal

MyFitnessPal has the largest database in the category (~20M+ crowd-sourced foods), the best restaurant coverage, and a community t…

±11.2% · Moderate

3.5
SnapCalorie app icon

SnapCalorie

SnapCalorie is a photo-based calorie counter whose portion-estimation approach descends from published computer-vision research — …

Not independently measured · Limited

3.4
Fastic app icon

Fastic

Fastic is the gentlest introduction to intermittent fasting: structured plans that walk you from 12:12 to 14:10 to 16:8, with the …

Not independently measured · Limited

3.3
Simple app icon

Simple

Simple is the friendliest AI fasting coach: it nudges you through the fast, comments on your eating window, and answers questions …

Not independently measured · Limited

3.1
FatSecret app icon

FatSecret

FatSecret is the most honest free tier in calorie tracking: barcode scanning, the full diary, and basic analysis are free, forever…

Not independently measured · Limited

3.0
Cal AI app icon

Cal AI

Cal AI is the most-downloaded AI calorie counter and genuinely pleasant to use — but it has never been independently evaluated: no…

~14% (only head-to-head) · Limited