Guide · 2026

8 best AI calorie tracker apps for iPhone (2026)

Short answer: there is no single best AI calorie tracker, because the apps do different jobs. Cal AI is the fast photo counter for calories and macros. Cronometer is the verified micronutrient database. MacroFactor adapts your targets every week. SnapCalorie gives 3 free photo logs a day. MyFitnessPal is the biggest diary. Fitia builds meal plans. Welling is a chat coach. NutriCam, our app, photographs the meal, shows vitamins and minerals, and tells you what to eat next.

Updated September 19, 2026 · Written by LAYERTWO, the makers of NutriCam. We make NutriCam, so this list is ordered by job, not by score, and the criteria come first.

Download NutriCam on the App Store Read what NutriCam is

How this list was made

Five questions, answered only from each app’s own website, help center, or App Store listing on September 19, 2026:

Is photo logging free, or on a paid tier?
Does the app show vitamins and minerals, or only calories and macros?
Does the app tell you what to eat next from today’s log?
Which platforms?
What does it cost, where the provider states a price and a period?

What this list is not: an accuracy test. We did not weigh meals and compare apps, so no app here is called “most accurate.” Where an app’s pages do not state something, the table says so.

AI calorie tracker apps compared

App	Best for	Photo logging	Vitamins and minerals	Tells you what to eat next	Platforms	Price
Cal AI	Fast photo count of calories and macros	Yes. Subscription after a 3-day trial	No claim on its own pages	Not described on its pages	iPhone, Android	App Store lists plans from $2.99 to $29.99, periods not shown
Cronometer	Verified micronutrient database	Photo Log, Gold only	Up to 95 nutrients, free tier included	Crono Coach, Gold only	iPhone, Android, web	Free tier. Gold $10.99 a month or $59.99 a year
MacroFactor	Targets that adapt weekly	Yes, in the paid plan	54 trackable items	No. Adjusts targets, not meals	iPhone, Android	$11.99 a month or $71.99 a year. No free tier
SnapCalorie	Free photo logs	Free up to 3 a day, then Premium	Claims 100+ micronutrients	Not an in-app feature its pages describe	iPhone, Android	Premium $19.99 a month or $149 a year
NutriCam	What to eat next, with micronutrients	Default capture. Free tier included, with limits	Yes, such as iron, B12, magnesium, iodine	Yes. Uses today’s log, targets, workouts, sleep	iPhone	Free download. Pro is $9.99 a month, or $34.99 to $49.99 a year (U.S. App Store, confirmed August 26, 2026)
MyFitnessPal	Largest diary ecosystem	Meal Scan, paid tiers	No count stated	Coach, paid tiers, iOS, six countries	iPhone, Android, web	Free tier. Premium $79.99 a year
Fitia	Meal plans	Premium	20+ nutrients	AI Coach and meal plans	iPhone, Android, web	Free tier. Premium $19.99 for 1 month
Welling	Chat-style coach	Yes, with a subscription	Fiber, sodium, sugar only	Yes, for remaining calories and macros	iPhone, Android	Monthly from $19.99 on the App Store

The eight apps

Cal AI: best for a fast photo calorie count

Cal AI’s pages describe one job: photograph food, get calories, protein, carbs, and fat. It is on iPhone and Android. The App Store listing says scan results need a subscription after a 3-day trial. NutriCam vs Cal AI.

Cronometer: best for verified micronutrients

Up to 95 nutrients and compounds, a barcode scanner, and custom recipes on the free tier. Photo Log, voice logging, and Crono Coach are on Gold. The AI suggests foods; the numbers come from the database. NutriCam vs Cronometer.

MacroFactor: best for adaptive targets

MacroFactor’s coaching algorithm makes weekly changes to your calorie and macro plan. It has AI photo logging and speech-to-text logging. There is no free tier.

SnapCalorie: best free photo logging

Three free AI logs a day, per its FAQ. Its listing claims 100+ micronutrients and supports voice logging.

NutriCam: best for “what should I eat next?”

Ours, and iPhone only. Photograph a meal or say what you ate, confirm the estimate, and see calories, macros, and vitamins and minerals. Then ask what to eat next. The advisor uses today’s log, your targets, workouts, and Apple Health sleep when connected. It is the wrong pick if you need Android, a barcode-first diary, or a verified database. How the next-meal answer works.

MyFitnessPal: best for the biggest diary

A free manual diary with a very large food database. Meal Scan, voice logging, and barcode scanning are on paid tiers. Coach answers what to eat with your remaining calories, on Premium tiers, on iOS, in six English-speaking countries.

Fitia: best for meal plans

Personalized meal plans plus an AI Coach. Photo and voice logging are Premium. The free version has basic tracking and barcode scanning with ads.

Welling: best chat-style coach

You log by chatting, with photos or text, and the coach suggests ideas for your remaining calories and macros. Its FAQ says a full vitamin and mineral panel is not supported yet. A subscription is required after the trial.

No app can measure a meal from a photo. A picture cannot show oil, sauces, hidden ingredients, or portion weight. Every number from every app on this page is an estimate until you correct the foods and portions. We have not run an accuracy test across these apps, so this page makes no accuracy ranking.

FAQ

What is the best AI calorie tracker app for iPhone in 2026?

It depends on the job. Cal AI for a fast photo count of calories and macros. Cronometer for verified micronutrients. MacroFactor for adaptive targets. SnapCalorie for free photo logs. NutriCam for a photo log with vitamins and minerals that tells you what to eat next.

Which AI calorie tracker has free photo logging?

SnapCalorie is free for up to 3 AI logs a day. NutriCam's free tier includes photo logging, with limits. Cal AI, Cronometer, MacroFactor, MyFitnessPal, Fitia, and Welling put photo logging on a paid plan.

Is there an app that tracks vitamins and minerals from a photo?

Yes, as estimates. NutriCam shows vitamins and minerals such as iron, B12, magnesium, and iodine on the photo card. SnapCalorie claims 100+ micronutrients. Cronometer's Photo Log (Gold) maps the photo to database entries with up to 95 nutrients. No photo can measure micronutrients exactly.

Is there an AI nutrition app that tells me what to eat next?

Yes. NutriCam is built around that question and uses today's log, targets, workouts, and sleep. MyFitnessPal Coach, Welling, Cronometer's Crono Coach, and Fitia's AI Coach also give food guidance on their paid plans.

How accurate are AI photo calorie counters?

They estimate. A photo cannot show oil, sauces, hidden ingredients, or portion weight. We did not run an accuracy test, so this page does not rank accuracy. Confirm foods and portions in any app before trusting the day's total.

Are AI calorie tracker apps worth paying for?

Pay when the paid feature is the one you will use daily. If that is photo logging, note that SnapCalorie and NutriCam include it free, while most others put it behind a subscription.

Who wrote this list?

LAYERTWO, LLC, the company that makes NutriCam. That is why the list is ordered by job instead of by score, and why every fact about another app links to that app's own pages.

Sources

Every fact about another app on this page comes from that app’s own site, help center, or store listing, checked September 19, 2026. Prices and features change. Check the live listing before you buy.