Answer · 2026

Is there an AI nutritionist app for iPhone?

Yes. Several iPhone apps call themselves an AI nutritionist or AI nutrition coach. They are wellness tools, not licensed dietitians. MyFitnessPal's Nutrition Coach, Welling, and Feast chat from today's log. NutriCam photographs the meal, shows vitamins and minerals, and answers what to eat next. For medical nutrition, book a registered dietitian.

Updated October 6, 2026 · Written by LAYERTWO, the makers of NutriCam. We make NutriCam. The other apps on this page are not ours, and we say where they are the better pick.

Download NutriCam on the App Store Read what NutriCam is

Which iPhone apps actually coach, and which are dietitians

App	What it is	Licensed dietitian?	Uses today's log	Platforms	Price
Nourish	Video visit with a registered dietitian. Site also names an AI assistant between appointments. App Store lists AI-powered meal logging	Yes. Human RD by telehealth	AI meal logging in the app, for work with the dietitian	iPhone app. Visits are virtual	Site says 94% of patients pay $0 out of pocket with insurance (October 6, 2026)
MyFitnessPal Nutrition Coach	AI assistant in the diary. Help page includes remaining calories and what to eat before or after a workout	No	Yes. Today's diary, recent history, saved meals, recipes, step data	Coach: iPhone, English, six countries. App: iPhone and Android	Coach is Premium and Premium+. Premium $79.99 a year or $19.99 a month (Premium page, October 6, 2026)
Welling	Chat-style AI nutrition coach. Logs by photo, text, or voice. Food ideas for remaining calories and macros	No. FAQ: not a substitute for professional medical advice	Yes. Chat log plus Apple Health workouts when connected	iPhone and Android	Subscription required after the trial. App Store lists monthly plans from $9.49 to $22.99 (October 6, 2026)
Feast	Photo food log plus live chat with an AI nutrition coach. Listing also names micronutrient gaps and meal plans	No. Site: not a medical device, not a replacement for a clinician or dietitian	Yes. Photo, note, or Apple Watch voice memo, then you correct the estimate	iPhone and Apple Watch	App Store lists Feast Pro $5.00 and Feast Max $19.99, periods not shown (October 6, 2026)
Cronometer Crono Coach	In-app assistant. Help article: daily summary, meal suggestions, settings, consistency tips	No. Help article: informational support only	Yes, if the day is logged in the diary	iPhone, Android, web	Crono Coach is Gold. Gold $10.99 a month or $59.99 a year (Gold page, October 6, 2026)
NutriCam	Photo advisor. Vitamins and minerals on the card, then a next-meal answer. App Store also names remaining-macro recipes	No. Wellness app, not a medical device	Yes. Photo or spoken log, confirmed before it is the day's record	iPhone only	Free download. Pro is $9.99 a month, or $34.99 to $49.99 a year (U.S. App Store, confirmed August 26, 2026)

An AI nutritionist is not a registered dietitian

The App Store is full of apps that use “nutritionist” or “nutrition coach” in the title. A registered dietitian nutritionist is a credentialed clinician. The Academy of Nutrition and Dietetics lists them in Find a Nutrition Expert. That directory is the answer if you need medical nutrition therapy, a disease, pregnancy, disordered eating, or a plan a clinician will sign.

Nourish is the iPhone path that still has a human RD in the room. Its App Store listing, read October 6, 2026, says it connects you with a registered dietitian by telehealth, with chat, AI-powered meal logging, and insurance billing. The site says 94% of patients pay $0 out of pocket. Its homepage also names an AI assistant for questions between visits. The clinician is the product. The camera is a diary for that clinician.

Welling’s FAQ says it cannot advise on medical conditions. Feast’s site says it is not a medical device and should not replace a qualified clinician or dietitian. Cronometer’s Crono Coach help article says informational support only. ChatGPT is a general chatbot. It is not an iPhone nutritionist app, and it does not hold your food log unless you paste one in.

You still have to log what you already ate

A coach with an empty diary is a recipe blog. Photograph the meal, say it, scan it, or type it. Then the next-meal question has something to work from.

MyFitnessPal Coach reads the diary you already kept, and it cannot log food for you. Welling starts from a chat or photo you send. Feast asks you to correct the photo estimate. Crono Coach starts from the same diary that makes Cronometer useful. NutriCam starts from a confirmed photo or spoken log.

That is the whole job. Remaining protein after a logged day is a dinner cue. A blank log is not. How NutriCam turns the log into a next-meal card: what should I eat next. Dinner from a workout plus today’s meals: apps that suggest dinner from a workout and what you already ate.

Photo calorie counters are a different job

Cal AI photographs food and returns calories, protein, carbs, and fat. We found no nutrition-coach or next-meal claim on its website or App Store listing as of October 6, 2026. That is a counter. This question is an advisor, or a licensed dietitian.

Full split: NutriCam vs Cal AI. Other photo apps, by job: best AI calorie tracker apps. Independent kitchen tests of photo apps ran low, and oil stays invisible: how accurate are AI photo calorie counting apps. For a verified micronutrient diary rather than a chat: NutriCam vs Cronometer.

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

Is an AI nutritionist the same as a registered dietitian?

No. A registered dietitian nutritionist is a credentialed clinician. The Academy of Nutrition and Dietetics lists them in Find a Nutrition Expert. Apps labeled AI nutritionist are wellness chat and photo tools. Nourish connects you to a human RD by video on iPhone. The AI coaches on this page do not diagnose or treat a condition.

Can I use ChatGPT as a nutritionist on my iPhone?

ChatGPT is a general chatbot, not an iPhone nutritionist app. It does not hold your food log unless you paste one in. It is not a licensed dietitian. For a next-meal answer from a log you already kept, use a coach app. For medical nutrition, book a registered dietitian.

Which iPhone apps coach from the food I already logged?

MyFitnessPal Nutrition Coach reads the diary, on Premium, on iOS, in six countries. Welling answers remaining-calorie ideas in chat. Feast live-chats with an AI nutrition coach from the photo log. Crono Coach is Gold. NutriCam answers what to eat next from today's confirmed meals, targets, workouts, and sleep.

Does Cal AI count as an AI nutritionist?

No. Cal AI's own pages describe a photo count of calories, protein, carbs, and fat. We found no next-meal or nutrition-coach claim there as of October 6, 2026. That is a counter. This question is an advisor, or a licensed dietitian.

Are photo-based coaching numbers accurate enough to trust?

They estimate. A photo cannot show oil, sauces, hidden ingredients, or portion weight. NIH kitchen tests of four photo apps undercounted meals. Confirm foods and portions before you ask what to eat next. Coaching from a blank or wrong log is a guess.

Is NutriCam a licensed dietitian or a medical device?

No. NutriCam is an iPhone wellness advisor by LAYERTWO. Photograph a meal or say what you ate, confirm the estimate, see calories, macros, and vitamins and minerals, then ask what to eat next. It does not diagnose, treat, or replace a registered dietitian.

Sources

Every fact about another app on this page comes from that app’s own site, help center, or store listing, checked October 6, 2026. Prices and features change. Check the live listing before you buy.