What is the best photo calorie tracker for gym goers on iPhone?

How this list was made

Four questions, answered only from each app’s own website, help center, or App Store listing on October 10, 2026:

1. Does it photograph a plate of food on iPhone?
2. Does it serve a gym job: a fast count, weekly targets that adapt, leftover protein, or remaining calories?
3. Is the camera free, or on a paid plan?
4. What does it cost where the provider states a price and a billing period?

Six apps photograph meals and serve one of those jobs. Hevy and Strong log the session, not the plate, so they are not rows. We did not weigh meals, so nothing here is an accuracy ranking.

The six apps

1. Cal AI: best for a fast photo calorie count

Cal AI’s site, read October 10, 2026, describes photographing food for calories, protein, carbs, and fat, and integrating with fitness products. The App Store listing that day says scan results require a subscription after a 3-day trial, and lists Unlimited plans from $2.99 to $29.99 without a billing period on those SKUs. Its FAQ, last updated July 2026, says CalAI is about 80% accurate. Confirm the plate. iPhone and Android. We found no next-meal claim on the pages we read. MyFitnessPal acquired Cal AI in March 2026; Cal AI still sells as a standalone app. Photo-first vs an advisor: NutriCam vs Cal AI.

2. MacroFactor: best for adaptive weekly targets

MacroFactor’s product page, read October 10, 2026, describes AI photo food logging, then a coaching algorithm that changes calorie and macro targets each week from logged intake and weight trend. Bulk, cut, and maintenance are named goal settings. The same page says it does not pull energy expenditure from smart watches, because those estimates are poor. AI food logging help walks through Photo, Photo & Text, and Upload, then an editable plate. The App Store that day prices the paid plan at $11.99 a month, $47.99 per 6 months, or $71.99 a year, with a 7-day trial and no free tier. It adjusts targets. It does not name dinner. Other photo options if you leave: MacroFactor alternatives.

3. MyFitnessPal: best leftover-calorie coach in a big diary

MyFitnessPal’s Premium page, read October 10, 2026, keeps a free diary and puts Meal Scan, barcode scan, and Voice Log on Premium at $19.99 a month or $79.99 a year, with a 7-day trial if you have not used one. Nutrition Coach, Premium and Premium+ on iPhone in six English-speaking countries, uses remaining calories and protein. Its example question is “I have 400 calories left and I’m 20g short on protein.” Coach cannot log the meal. Use it when the diary is already there and leftover protein is the question.

4. SnapCalorie: best standing free photo log

SnapCalorie’s FAQ, read October 10, 2026, says the app is free for up to 3 AI logs a day. Premium is $19.99 a month or $149 a year on the U.S. App Store that day. The listing names calories, macros, and 100+ micronutrients, and muscle-gain goals. The FAQ says Apple Health active calories, workouts, and steps offset intake, and that oils are an educated guess. Confirm the plate. iPhone and Android. Free photo logs, compared with paywalled cameras: free calorie trackers with photo logging.

5. Welling: best chat for remaining protein

Welling’s FAQ, read October 10, 2026, describes photo, voice, chat, and barcode logging, and says you can ask for food ideas for remaining calories and macros. Build Muscle is a named goal. Burned calories add to the daily target by default; you can turn that off. The same FAQ says most wearables overestimate. The App Store listing that day lists monthly SKUs from $9.49 to $22.99 and annual SKUs from $59.00 to $119.99, and says a subscription is required for features. iPhone and Android.

6. NutriCam: best next-meal answer from today’s log on iPhone

NutriCam is our app, and it is iPhone only. Photograph a meal or say what you ate, confirm the estimate, and see calories, macros, and vitamins and minerals such as iron, B12, magnesium, and iodine. Then ask what to eat next from today’s log, targets, workouts, and Apple Health sleep when connected. The App Store listing, read October 10, 2026, names recipes based on remaining macros. It does not plan training, compute adaptive TDEE, or time carbs for an endurance event. Skip it if you need Android, a verified food database, or MacroFactor’s weekly expenditure algorithm. What the app is: what is NutriCam. How the next-meal answer works: what should I eat next.

Eat-back calories, leftover protein, and the scale

Logging after a session feels like a second workout. That is why gym goers hire a camera. Remaining protein from the food log is the leftover-macro job: 400 calories left and 40 g of protein, and what to eat after a workout if you are short on protein.

Treat watch calories as a guess. MacroFactor’s site says it ignores wearable burn and reads weight trend instead. Welling’s FAQ says most wearables overestimate, and you can stop adding activity to the daily target. SnapCalorie’s FAQ pulls Apple Health active calories to offset intake. Eating those extra calories back is a setting, not a requirement.

Hevy’s features guide, read October 10, 2026, is a workout logger: sets, routines, body measurements, progress photos. Calories it names are burned in the session, a rough estimate sent to Apple Health. Strong’s site is a workout tracker: exercises, measurements, Apple Health. We found no meal photo log on either. Keep them for training. Pick a food app for the plate. Dinner from a logged workout: apps that suggest dinner from a workout and what you already ate.

A photo cannot replace a scale. MacroFactor’s AI help page tells you to edit the plate and suggests a scale in the photo for total weight. Competitive cutting with gram weights is a different job. Confirm foods. Kitchen tests of photo calorie apps ran low: how accurate are AI photo calorie counting apps. Other photo apps, by job: best AI calorie tracker apps.

Photograph the plate after the session, then treat remaining protein as the cue. NutriCam is an iPhone advisor: photograph a meal or say what you ate, confirm the estimate, and see remaining calories and protein. It does not plan training, compute adaptive TDEE, or time carbs for an endurance event, and it is not on Android.

Sources

Every fact about another app on this page comes from that app’s own site, help center, or store listing, checked October 10, 2026. Prices and features change. Check the live listing before you buy.

• Cal AI website
• Cal AI on the App Store
• Cal AI FAQ
• MacroFactor website
• MacroFactor on the App Store
• MacroFactor AI Food Logging help
• MyFitnessPal Premium
• MyFitnessPal Nutrition Coach help article
• MyFitnessPal acquires Cal AI, GlobeNewswire
• SnapCalorie FAQ
• SnapCalorie on the App Store
• Welling FAQ
• Welling on the App Store
• Hevy 2025 features guide
• Hevy on calories burned in a workout
• Strong website
• NutriCam on the App Store