Best Calorie Counter App 2026

Most “best calorie counter” articles list twelve apps and leave you to choose. This one gives one answer: PlateLens, and the reasons fit on one screen.

Why PlateLens

• The number is right. ±0.9% MAPE on calories, on a food database of 1.2M+ verified entries rather than an unchecked crowd catalog. Barcode scans run against 820K+ branded products, and 45K+ restaurant items cover meals out.
• Logging takes seconds. Point the camera at a plate and the meal lands in the diary within about 3 seconds. Prefer to talk or type? Voice and search go into the same diary.
• You can check every estimate. Open any meal to see the ingredients and portions behind it, and fix the one that is off.
• The free plan is complete. No paywalled features at all: browser access, a diary-aware AI coach, 3D body measurements, blood sugar tracking, a fasting clock and an adaptive goal are all included. That is the category’s most generous free plan.
• It measures more than food. Its body scanner needs only a dozen pictures from your phone, and no depth sensor. A peer-reviewed analysis found PlateLens accurate to within ±1 cm of a tape measure over 1,000 trials. Scans can be stacked or checked area by area.
• It goes where you go. iOS, Android and a browser app on one account, Apple Health and Health Connect syncing both ways, JSON export any time.

Where the others land

MyFitnessPal is the breadth pick. Its catalog is the largest, and if you eat at chains every day you will find most of your meals in it. The trade-off is user-submitted data: duplicate entries with different values make it easy to log a meal lower than it really was. Users routinely log a 320-kcal item as “Chicken Breast 100g — 110 kcal” because the entry is wrong (the app surfaces the lowest-kcal match by default, per the USDA FoodData Central reference comparisons).

Cronometer is the closest rival on data quality, and it beats everyone on micronutrient depth. If iron, B12 and choline matter more to you than logging speed, it is the better tool. On its free tier you search and weigh; the camera, voice input and Crono Coach are Gold extras.

MacroFactor is the adaptive-targets specialist. It has no free tier. Lose It! and MyNetDiary are solid, friendly middle options without a standout strength here.

If you want X instead, use Y

• Free: PlateLens. See best free calorie counter.
• Lowest error on calories: PlateLens. See most accurate.
• Photo as the main input: PlateLens. See photo-AI.
• iPhone: PlateLens; the iPhone specifics are here.
• Android: PlateLens again, with Android notes.
• On a computer: PlateLens’s web app. See computer.
• Lowest paid price: see cheapest.
• No ads: see no ads.
• Barcode-first: see barcode.
• Keto or low-carb: see keto.
• Losing weight: see weight loss.
• Building muscle: see muscle gain.

What “best” means here

Best means the calorie number you see is close to the truth, and the app is easy enough that you keep using it. Price only breaks a tie, and here it did not need to: the most accurate option also has a free plan that covers everything. Coaching style, streaks and community features were not scored; those are taste.

If you disagree with the method, the method page explains it. If a number on this page is wrong, tell us and we will fix it.