Best Calorie Tracker for iPhone and Apple Health in 2026

The best calorie tracker for iPhone and Apple Health is Nouri if you want logging built around iOS: type a meal like a note, say it, snap it, or tell Siri from the lock screen, and it syncs with Apple Health both ways, for $39.99/year. We make Nouri. Want a free plan, Apple Watch, or Mac app? Pick FoodNoms.

The short answer

• Best overall for iPhone and Apple Health: Nouri, for notes-style typing, voice, photo, and Siri from the lock screen, with nutrition written into Health and calories burned, workouts, and steps read back
• Best free, Apple-native app: FoodNoms, with an Apple Watch app, Mac app, widgets, Siri, dozens of Shortcuts actions, and a calorie goal that can follow your Move ring
• Best for micronutrients in Health: Cronometer, which tracks 95+ vitamins and minerals and added Siri food logging this year
• Best if you want targets that ignore wearable burn: MacroFactor, which exports nutrition to Apple Health but leaves wearable energy estimates out of its math
• Best big-database veterans: MyFitnessPal or Lose It, both with Apple Watch support and free tiers
• Best photo-first: Cal AI, built around snapping your plate

What "syncs with Apple Health" actually means

Apple Health is a storage layer, not a food diary. The Health app has a slot for calories eaten, and it stays empty until an app fills it. Our guide to whether Apple Health tracks calories eaten covers the eaten, active, and resting energy types.

So "syncs with Apple Health" can mean three different things:

1. Write only. The app sends your meals into Health, but never sees your steps or workouts.
2. Read only. The app pulls in weight, steps, or workouts, but your food stays inside the app.
3. Both ways. Food goes in, activity comes back, and the app can show eaten next to burned.

The direction is set by permissions. Apple's guide: in the Health app, tap Summary, then your picture or initials, then Apps under Privacy. Each app has separate switches, and you can "turn on or off permission to write data to, or read data from, Health."

Apple also explains what happens when two apps send the same thing: "If multiple sources contribute the same data type, the data source at the top will take priority over others," and a new source "appears above all apps and devices." If you switch calorie apps, check Data Sources & Access so lunch is not counted twice.

How we picked

We judged apps on what an iPhone gives a calorie tracker that other phones do not. Every competitor fact comes from the app's own App Store listing, website, or help center, checked November 4, 2026.

• Siri. Can you add food by voice without opening the app? We only credit Siri support an app states itself.
• Apple Health, both directions. Does the app write what you ate into Health, and read calories burned, workouts, or steps back?
• Burned vs eaten. Does the app do anything useful with both sides, like putting them together or adjusting a goal?
• Apple Watch, widgets, and Shortcuts. Credit only where the app's own listing or help center says so.
• Design and friction. Does it feel like an iPhone app, and how fast is a meal?

Price was a tiebreaker. We did not test any competitor's accuracy, so we make no accuracy claims about them.

iPhone calorie trackers compared

App	How you add food	Siri food logging	Writes to Apple Health	Reads from Apple Health	Apple Watch	Price (as listed)
Nouri	Type like a note, voice, photo, Siri	Yes, from the lock screen	Nutrition totals	Calories burned, workouts, steps	No Watch app; reads Watch data via Health	$9.99/month or $39.99/year, 3-day free trial
FoodNoms	Photo or description (Foodnoms+), barcode, label scan, search	Yes, plus Shortcuts actions	Calories, macros, vitamins, minerals, water, caffeine (free plan)	Nutrition (Foodnoms+), weight, height, Active Energy	Yes, with complications	Free; Foodnoms+ $5.99/mo or $39.99/yr
Cronometer	Search, free barcode; photo and voice on Gold	Yes	13 nutrients, activity, and more (per a March 2024 blog post)	Exercise, weight, sleep, heart rate, and more (same post)	Listed as compatible	Free; Gold $10.99/mo or $59.99/yr
MacroFactor	Search, barcode, custom foods	Not stated	Nutrition	Weight and nutrition; wearable burn not used for targets	Yes	$11.99/mo, $47.99/half year, $71.99/yr
MyFitnessPal	Search; barcode, meal scan, voice on Premium	Not stated	Food (most nutrients); weight	Exercise, sleep, weight	Yes	Free; Premium $9.99/mo or $49.99/yr
Lose It!	Search; barcode, photo, AI voice on Premium	Not stated	Food, weight, exercise	Weight, food, exercise	Calorie bonus from Watch data	Free Basic; Premium $79.99/yr
Cal AI	Photo first, barcode, describe	Not stated	Not stated	Steps	Listed as compatible	Not on its site; App Store purchases $2.99 to $29.99

"Not stated" means we could not find it in the app's own listing, site, or help center today. Sources are at the end.

1. Nouri: built around how you use an iPhone

Nouri's App Store subtitle is "The calorie tracker that feels like a notes app," and that is the whole idea. Like Apple Notes, but for calories: type "two scrambled eggs, toast with butter and a cappuccino" in one sentence and Nouri returns calories, protein, carbs, and fat, item by item, with the reasoning behind each number and a confidence rating. If something looks off, add context in plain words ("big mug, oat milk") and recalculate.

Why it is our pick:

• Siri from the lock screen. Say "Hey Siri, track food in Nouri," answer "What did you eat?" in one sentence, and a card shows the meal's calories and macros plus what you have left today, without opening the app. Setup is one switch in the Shortcuts app, covered in how to log food with Siri.
• Apple Health both ways. Nouri writes your nutrition totals into Health and reads calories burned, workouts, and steps back, so eaten sits next to burned.
• A weekly answer, not two apps to compare. Each Nouri Report puts Apple Health calories burned next to calories eaten, plus your workouts, days on target, wins, slips, and one clear focus. The first arrives after 3 tracked days, then every Sunday when you track 4 or more days.
• Four equal ways in: type, voice, photo, or Siri. A photo becomes a sentence first, so you can fix what the camera saw before anything counts.
• Published accuracy. Nouri scored 92.1/100 in our 100-meal accuracy benchmark (MyFitnessPal 77.0).

Design: quiet and native-feeling. People who try it most often say it looks like the calorie app Apple would have made, the bar we set in if Apple made a calorie tracking app.

For watch wearers: Nouri has no Apple Watch app, but if your watch records workouts and calories burned into Health, Nouri reads them from there.

Skip it if: you need Android, a barcode scanner, an Apple Watch app, or a free plan beyond the 3-day free trial.

Pricing: $9.99/month or $39.99/year, with a 3-day free trial on the yearly plan (get Nouri). Platforms: iPhone (iOS only). Its listing requires iOS 26 or later.

2. FoodNoms: the most Apple-native free option

FoodNoms leans into every Apple surface. Its listing covers logging "by voice, with Siri, or with dozens of actions in the Shortcuts app," Home Screen and Lock Screen widgets, Control Center controls, an Apple Watch app with complications, and native apps for iPhone, iPad, and Mac. You can start without an account.

Its Apple Health support is the deepest here: it can "read and write nutrition data to the Health app: calories, macros, vitamins, minerals, water, caffeine, and more," keeps weight and height in sync, and can "use Active Energy from the Health app (your Apple Watch Move ring) to automatically adjust your calorie goal." Export is on the free plan; import, and Foodnoms AI for photo and description logging, are Foodnoms+.

Best for: Apple-ecosystem people who want a free, privacy-friendly diary on every device they own.

Consider Nouri if: you want to log by typing a full sentence. Head to head: Nouri vs FoodNoms.

Pricing: free plan; the App Store lists Foodnoms+ at $5.99 a month or $39.99 a year, with $9.99 and $49.99 tiers and family plans also listed.

3. Cronometer: micronutrients into Health, now with Siri

Cronometer's listing says it tracks "95+ vitamins and minerals" and syncs "with Apple Health and Apple Watch." Its release notes added Siri food logging in May 2026, and its site says you can "simply speak to us or Siri to log your food." Its own blog post on Apple Health, published March 2024, lists exports including 13 nutrients, general activity, and dietary cholesterol, and imports including exercise, weight, sleep, and heart rate. Check the app for current details. Barcode scanning is free; photo and voice logging are Gold.

Best for: anyone who wants vitamins and minerals in Health, not just calories.

Pricing: free Basic; Gold $10.99 a month or $59.99 a year. Also on Android.

4. MacroFactor: Apple Health in, wearable burn out of the math

MacroFactor's help center lists Apple Health as one of its "two primary data integrations," says "you can export nutrition information from MacroFactor to Apple Health," and pulls up to 30 days of history when you connect. On burned calories it is explicit: it "doesn't use estimates of energy expenditure from wearable devices" for calculating expenditure or adjusting targets. It has iPhone Home Screen and Lock Screen widgets and an Apple Watch app where you can log food and weight.

Best for: people who want targets set from weight and food trends alone. See Nouri vs MacroFactor.

Pricing: $11.99 a month, $47.99 per half year, or $71.99 a year; "does not offer a free subscription tier," per its listing. Also on Android.

5. MyFitnessPal and Lose It!: the veterans

MyFitnessPal's help center spells out its Apple Health sync: food goes from MyFitnessPal to Health (most nutrients, but not caffeine or vitamin A), exercise and sleep come in from Health, and weight syncs both ways. It has an Apple Watch app for logging food and water, and barcode scan, meal scan, and voice logging are Premium, $9.99 a month or $49.99 a year on its site. Full comparison: Nouri vs MyFitnessPal.

Lose It!'s help center says it sends weight, food, and exercise to Apple Health and receives weight, food, and exercise back, with some metrics needing a Premium custom goal. It gives a free calorie bonus from Apple Watch data and has iOS widgets, including a Log Foods widget. Barcode scanning, photo logging, and AI voice are Premium, listed at $79.99 a year, with a free Basic tier.

Best for: people who mostly eat packaged, barcoded food or want a large free database. Both run on Android too.

6. Cal AI: the camera

Cal AI's site says you can "snap a photo, scan a barcode, or describe your meal," with your phone's depth sensor helping estimate food volume. Its FAQ covers connecting Apple Health for steps; it does not state what, if anything, it writes to Health. Its App Store listing lists Apple Watch compatibility. Its site publishes no subscription price; the App Store shows purchases from $2.99 to $29.99, and its site offers a 3-day free trial.

Best for: photographable plates and Android users. Comparison: Nouri vs Cal AI.

Why Siri and Apple Health were never optional for us

I built Nouri because of one moment that kept repeating: I would finish dinner, mean to log it in MyFitnessPal, and not do it. The numbers were fine. Searching five ingredients after a long day was the problem.

On iPhone, the lowest-friction moment is the one where you do not open anything. Phone locked on the counter, I say the phrase, answer "salmon, rice, and a side of broccoli," and the card shows the meal plus what is left for the day. Photos work the same way: I photographed a breakfast plate and Nouri wrote back "Two poached eggs on avocado toast, bacon, scrambled eggs, and fresh fruit bowl," four items, 850 calories, 42g protein. If it had misread the plate, I would have fixed one word.

Apple Health was the other half. My steps and workouts were already in Health. A food app that kept meals in its own corner meant comparing two apps in my head every night, the exact friction that makes people quit. So Nouri writes meals in, reads the burn back, and the weekly report does the comparing.

One tip from building it: burned numbers are estimates, so look at the weekly average, not a single day. Our TDEE guide explains why your target already covers normal activity. If you have a history of disordered eating, please work with a professional before tracking calories or burn.

Who should not pick Nouri

• You are on Android. Nouri is iPhone (iOS only). MyFitnessPal, Cronometer, MacroFactor, Lose It, and Cal AI all run on Android.
• You log mostly packaged food by barcode. Nouri has no barcode scanner. You can type "one 190-calorie protein bar," but FoodNoms, Cronometer, or MyFitnessPal fit a scanning habit better.
• You want micronutrient deep dives. Nouri tracks fiber, sugar, sodium, and a short vitamin scorecard. Cronometer tracks 95+.
• You want to log from your wrist or your Mac. FoodNoms has both.
• You want a free app for the long term. FoodNoms, Cronometer, MyFitnessPal, and Lose It all have free plans.
• Your iPhone cannot run iOS 26. Nouri's listing requires it.

Which one should you pick?

If this is you	Pick
"I want to say it to Siri and move on"	Nouri
"I want eaten and burned side by side"	Nouri
"I want free, with a Watch app and a Mac app"	FoodNoms
"I want vitamins and minerals in Health"	Cronometer
"Set my targets, and ignore my watch"	MacroFactor
"Most of my food has a barcode"	MyFitnessPal or Lose It
"I want to photograph my plate"	Cal AI

For the full category, Android included, see the best calorie tracker app overall, or the best notes-style calorie trackers if typing is your thing.

FAQ

What is the best calorie app for iPhone?

Nouri, for most people: type, say, or photograph a meal, or use Siri from the lock screen, with Apple Health synced both ways, for $39.99/year. FoodNoms is the best free Apple-native option, and Cronometer is best for micronutrients.

What is the best calorie tracker that works with Apple Health?

Nouri, if you want both directions plus a weekly comparison: it writes nutrition totals into Health, reads calories burned, workouts, and steps, and its Nouri Report puts eaten next to burned. FoodNoms is the strongest alternative, with the deepest nutrient export.

Does Apple Health count calories eaten on its own?

No. Health stores calories eaten, but an app has to write them in. The iOS 27 camera can look up nutrition info for a plate, which is a lookup rather than a log; see the iOS 27 food camera.

Which calorie trackers read calories burned from Apple Health?

Nouri reads calories burned, workouts, and steps. FoodNoms uses Active Energy to adjust your calorie goal, and Lose It and MyFitnessPal bring exercise in. MacroFactor connects to Health but states it does not use wearable energy estimates for targets.

Can I log food with Siri?

Yes, in apps that support it. In Nouri, say "Hey Siri, track food in Nouri" and answer in one sentence, even with the phone locked. FoodNoms and Cronometer also list Siri food logging.

Why are my meals not showing up in Apple Health?

In Health, tap Summary, your picture, then Apps under Privacy, choose the app, and turn on write access for nutrition. Some apps also need the connection turned on inside the app.

Why are my calories counted twice in Apple Health?

Two apps are probably writing the same data. Apple says the source at the top of Data Sources & Access takes priority, and new sources are added at the top. Keep one food app as your source.

Should I eat back the calories my Apple Watch says I burned?

Usually not all of them. Burn numbers are estimates, and a target built from your TDEE already includes typical activity. Watch your weekly average instead.

What is the best free calorie tracker for iPhone?

FoodNoms has the most Apple-native free plan, with unlimited tracking, barcode scanning, Apple Health export, and no account required. Cronometer, MyFitnessPal, and Lose It also have free tiers.

Does Nouri scan barcodes or work on Android?

No to both. You type, say, or photograph packaged food instead, and Android users can join the waitlist. FoodNoms, Cronometer, or MyFitnessPal suit barcode-heavy tracking.

What is the easiest way to track calories on iPhone with Apple Health?

Use Siri from the lock screen in Nouri: one sentence, and the calories, macros, and what is left today appear without opening the app. The totals go into Apple Health on their own, your burn comes back, and a weekly Nouri Report compares the two.

The best iPhone calorie tracker is the one you still use on a busy Thursday. Start with Nouri, set a sensible target with our daily calorie needs calculator, or compare voice-first options in the best voice calorie tracker.

Sources

• Nouri App Store listing: apps.apple.com and nouriapp.co (our own app; checked Nov 4, 2026)
• Nouri 100-meal accuracy benchmark: https://nouriapp.co/accuracy (checked Nov 4, 2026)
• Apple iPhone User Guide, Share your data in Health: https://support.apple.com/guide/iphone/share-your-health-data-iph5ede58c3d/ios (checked Nov 4, 2026)
• Apple Support, Manage Health data on your iPhone, iPad, or Apple Watch: https://support.apple.com/en-us/108779 (checked Nov 4, 2026)
• FoodNoms App Store listing: https://apps.apple.com/us/app/id1479461686 (checked Nov 4, 2026)
• FoodNoms website and plan comparison: https://foodnoms.com and https://foodnoms.com/plus (checked Nov 4, 2026)
• Cronometer App Store listing and release notes: https://apps.apple.com/us/app/id1145935738 (checked Nov 4, 2026)
• Cronometer website and Gold pricing: https://cronometer.com and https://cronometer.com/gold/ (checked Nov 4, 2026)
• Cronometer blog, Apple Health: https://cronometer.com/blog/apple-health (published March 7, 2024; checked Nov 4, 2026)
• MacroFactor App Store listing: https://apps.apple.com/us/app/id1553503471 (checked Nov 4, 2026)
• MacroFactor features and help center: https://macrofactor.com/macrofactor/, https://help.macrofactorapp.com/en/articles/102-integrations, https://help.macrofactorapp.com/en/articles/65-connect-health-connect-or-apple-health, https://help.macrofactorapp.com/en/articles/33-does-macrofactor-use-energy-expenditure-data-from-my-wearable-activity-tracker, https://help.macrofactorapp.com/en/articles/211-iphone-widgets, https://help.macrofactorapp.com/en/articles/273-how-to-log-food-in-the-macrofactor-watch-app (checked Nov 4, 2026)
• MyFitnessPal App Store listing: https://apps.apple.com/us/app/id341232718 (checked Nov 4, 2026)
• MyFitnessPal Premium pricing: https://www.myfitnesspal.com/premium (checked Nov 4, 2026)
• MyFitnessPal help center: https://support.myfitnesspal.com/hc/en-us/articles/360032271092-Apple-Health-connection-and-syncing and https://support.myfitnesspal.com/hc/en-us/articles/360032625731-Apple-Watch-App (checked Nov 4, 2026)
• Lose It! App Store listing: https://apps.apple.com/us/app/id297368629 (checked Nov 4, 2026)
• Lose It! help center: https://help.loseit.com/hc/en-us/articles/47773580085140-Using-Apple-Health-With-Lose-It, https://help.loseit.com/hc/en-us/articles/47273244741396-Using-Apple-Watch-with-Lose-It, https://help.loseit.com/hc/en-us/articles/51045662344212-Can-I-Add-a-Different-Kind-of-Widget, https://help.loseit.com/hc/en-us/articles/51906561286804-Lose-It-Membership-Tiers-Pricing (checked Nov 4, 2026)
• Cal AI App Store listing: https://apps.apple.com/us/app/id6480417616 (checked Nov 4, 2026)
• Cal AI website and FAQ: https://www.calai.app (checked Nov 4, 2026)