Best Calorie Counter Apps: Precision, Structure, or Speed
Three calorie trackers that solve the same task three different ways: nutrient precision, a diet plan to follow, or logging a meal by photo instead of typing it in.
Three apps, three different theories about why people stop tracking their food after two weeks.
Three different bets
Cronometer bets that people quit because the numbers are wrong, and answers with a lab-verified database and 80-plus tracked nutrients. Lifesum bets that people quit from decision fatigue, and answers with named diet plans and recipes so there's nothing left to decide. Yazio bets that people quit because logging takes too long, and answers by letting you photograph a plate instead of typing it in.
None of the three theories is wrong. Which one fits depends on which problem is actually yours.
What's actually behind the paywall
All three are free to download, but the free tier protects a different thing in each:
- Cronometer — logging is free; charts and custom targets are paid.
- Lifesum — logging is free; the diet plans, the actual reason to install it, are paid.
- Yazio — logging is free; fasting features, detailed analysis and most of the rest sit behind a subscription with persistent prompts.
Short answer
Tracking for a medical reason or restricted diet — Cronometer. Slower to use, and the only one where the numbers are consistently trustworthy.
Want a plan, not a spreadsheet — Lifesum. Pays for structure, not accuracy.
Want to log fast and move on — YAZIO. Photo recognition is a draft, not a measurement, but it's the quickest way to close the app.
Best for: tracking for a medical reason or a restricted diet, not just a rough daily number
Pros
- Tracks 80-plus nutrients against a curated, lab-verified database
- Numbers hold up because entries aren't crowd-sourced
- Highest rating in this category
Cons
- Logging takes longer — the database wants the cut, preparation and weight
- No diet plans or recipes built in, just tracking
- Overkill for anyone who just wants a daily calorie number
The right tool when precision is the point — a doctor's instruction, a restricted diet, real curiosity about intake. Anyone counting calories to lose weight will find it slower than it needs to be.
Best for: following a structured plan instead of deciding what to eat yourself
Pros
- Named diet plans — keto, high protein, Mediterranean — with recipes built in
- Weekly assessments that function as encouragement, not just a log
- Free tier covers basic logging
Cons
- Named diets are marketing as much as nutrition — the app won't ask if keto actually suits you
- The plans, the actual reason to install it, sit behind a subscription
- 239 MB
Suits people who want to be told what to eat, not just track what they did. For a plain daily number, Cronometer is more accurate and YAZIO is faster.
Best for: logging meals fast, by photo, without typing anything in
Pros
- Photograph a plate instead of searching a food database
- Fasting timers and recipes on top of tracking
- Cleanest interface in the category
Cons
- Photo recognition works well for single foods, poorly for mixed dishes
- 382 MB, the heaviest app here
- Free tier logs food; almost everything else sits behind a subscription with persistent prompts
The fastest way to log a meal, which matters more than accuracy for most people who quit tracking apps within two weeks. Just don't trust the photo guess for anything mixed.