AI-Powered Calorie Tracker

Snap a photo.
Get your macros.

AI identifies every item on your plate and logs calories, protein, carbs, and fat — in seconds. Log meals by photo, voice, barcode, or text.

Download on the App StoreDownload See how it works
Photo to Calories in Seconds — AI-powered food tracker Photo to Calories in Seconds — AI-powered food tracker
AI Calorie Counter — smart daily nutrition tracking AI Calorie Counter — smart daily nutrition tracking
Every Ingredient Detected — full calorie and macro breakdown Every Ingredient Detected — full calorie and macro breakdown
AI Nutrition Coach — personalized guidance that adapts to you AI Nutrition Coach — personalized guidance that adapts to you
40,000+ Foods Offline — food database with no internet needed 40,000+ Foods Offline — food database with no internet needed
Macro Tracker — protein, carbs and fat at a glance Macro Tracker — protein, carbs and fat at a glance
Weight Tracking — see your progress over time Weight Tracking — see your progress over time
Calorie Widgets — lock screen and home screen widgets to track without opening the app Calorie Widgets — lock screen and home screen widgets to track without opening the app
Barcode Scanner — instant nutrition from any package Barcode Scanner — instant nutrition from any package
Log Your Way — voice, text, photo, or barcode Log Your Way — voice, text, photo, or barcode
40,000+ Foods
5 Ways to Log
Apple Health Sync
52-cal median error
How it works

Tracking nutrition
shouldn't be a chore

Photo-First Logging

Take a photo of your meal. AI identifies the food, estimates portions, and logs macros in seconds.

Full Macro Breakdown

Protein, carbs, fat, fiber, sugar, sodium. Everything you need to hit your targets, tracked automatically.

AI-Powered Coach

Get personalized suggestions to close your macro gaps. Real suggestions based on what you've actually eaten.

Voice & Text Logging

Say what you ate or type it out. AI parses your description and logs every macro automatically.

Barcode Scanner

Scan packaged foods for instant nutrition from Open Food Facts. Fast, accurate, no typing required.

40,000+ Foods Offline

A food database stored on your phone — searchable with no internet connection. Edit any value to match your portions.

SnapNutrition meal detail view showing AI-analyzed nutrition breakdown SnapNutrition meal detail view showing AI-analyzed nutrition breakdown
AI Analysis

Every ingredient,
every macro — broken down

AI identifies each item on your plate, estimates portions, and gives you a full nutrition breakdown. Calories, protein, carbs, and fat for every ingredient — not just totals.

Per-ingredient calorie & macro breakdown
Portion sizes estimated automatically
Fix anything the AI got wrong with one tap

See how accurate it is — 3,490-meal benchmark →

SnapNutrition weekly progress view showing calorie trends and macro rings SnapNutrition weekly progress view showing calorie trends and macro rings
Weekly Progress

See the full picture —
not just one meal

Track your weekly averages, daily calorie trends, and macro splits at a glance. Ring charts show how close you are to your goals, and bar charts reveal your daily patterns.

Daily average rings for calories, protein, carbs & fat
Weekly calorie bar chart with goal line
Macro split percentages updated in real time
Body weight tracking with visual progress over time
AI nutrition coach providing personalized dietary guidance AI nutrition coach providing personalized dietary guidance
AI Nutrition Coach

Personalized guidance
that adapts to you

Chat with a personal AI nutrition coach that remembers your preferences, dietary restrictions, and habits. Get guidance that adapts to you over time.

Remembers your dietary preferences & restrictions
Suggestions based on what you've actually eaten
Real-time chat, not canned responses
Common Questions

Frequently asked questions

How accurate is the AI?
We tested against 3,490 lab-weighed meals from Google Research’s Nutrition5k dataset. Median calorie error: 52 calories per meal. On meals over 200 calories, error drops to 24–35%. These are approximations, not clinical measurements — you can edit any value if the AI estimate doesn’t look right. See the full benchmark results.
Can an app track calories from a photo of your food?
Yes, that’s exactly what SnapNutrition does. Snap a photo of your plate and the AI identifies the foods and estimates calories and macros in seconds, with no manual searching. When a photo isn’t handy, you can also log by voice, a typed description, or a barcode scan.
Is AI calorie counting accurate?
It can be, if the app proves it. We benchmarked SnapNutrition against 3,490 lab-weighed meals from Google Research’s Nutrition5k dataset and measured a 52-calorie median error, with 68% of meals within 100 calories. Most calorie apps publish no accuracy data at all. See the full benchmark.
Is there an AI macro tracker that works from a photo?
Yes. SnapNutrition reads protein, carbs, and fat from a photo of your meal, not just calories. Macro rings show how each meal and each day measure up against your targets, and you can adjust any value if an estimate looks off.
What’s the most accurate AI calorie tracker?
Look for the one that publishes its numbers. SnapNutrition is benchmarked against 3,490 lab-weighed meals at a 52-calorie median error, and we show the misses alongside the wins. Cal AI and most other photo trackers publish no accuracy benchmark you can check. Judge the data yourself.
How do I track calories without weighing my food?
Photograph the plate instead. SnapNutrition estimates calories and macros from the image, so you can skip the food scale and the manual lookups. It’s benchmarked to a 52-calorie median error, close enough for everyday tracking, and you can fine-tune any number by hand. See how accurate it is.
Can I edit the AI’s calorie estimate?
Yes. Every estimate is fully editable. Tap any meal to adjust the calories, macros, portion size, or the identified food. The AI gives you a fast, close starting point, and you keep the final say on what gets logged.
Can I log food by voice, text, or barcode?
Yes. SnapNutrition gives you five ways to log a meal: snap a photo, speak it out loud, type a description, scan a barcode, or search the built-in food database of 40,000+ items, which works offline. Pick whichever is fastest in the moment.
How is SnapNutrition different from Cal AI?
The big difference is proof. Both turn a meal photo into calories and macros, but SnapNutrition publishes a public accuracy benchmark of 3,490 lab-weighed meals and Cal AI publishes none. Our values are editable and shown transparently, including where the AI misses. See the full comparison.
What’s a good MyFitnessPal alternative for photo logging?
SnapNutrition logs meals straight from a photo at its base tier, rather than MyFitnessPal’s manual search-and-enter approach with photo scanning reserved for Premium. You also get an AI coach and a published accuracy benchmark, all for $69.99 a year. Compare them side by side.
Does it work offline?
The offline food search database (40,000+ foods) is stored locally and works without an internet connection. AI-powered features — photo analysis, voice logging, text analysis, barcode lookup, and the AI Coach — require an internet connection.
What does a subscription include?
A subscription includes AI meal analysis, AI nutrition coaching, progress tracking, and widget support. Plans: $12.99/month or $69.99/year. New annual subscribers can start with a 7-day free trial.
Is my data private?
Your data is protected using industry-standard security. You can export your data anytime as CSV. If you delete your account, all associated data is permanently removed. Read our full privacy policy for details.

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Try SnapNutrition free for 7 days. Plans start at $12.99/month.

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