// Independent Testing · No Affiliates · No Sponsored Placements Methodology · Editorial
Tested · 6 Apps

Cross-Platform Calorie Tracker Apps (2026)

MyFitnessPal leads on cross-platform — iOS, Android, web, watchOS, Wear OS, and broad fitness device sync. We tested 6 apps.

Methodology reviewed by Yuki Nakamura, MS, BS on April 14, 2026.
Top Pick

MyFitnessPal — 92/100. MyFitnessPal wins because cross-platform breadth is unmatched — every major mobile OS, web, smartwatch, and fitness device works.

Top Pick: MyFitnessPal Is Our Top Pick for Cross-Platform Calorie Tracker

MyFitnessPal is our top pick for cross-platform calorie tracker apps in 2026. Three reasons drive the ranking: native apps on iOS, Android, web, watchOS, and Wear OS (the broadest platform support in the category), direct sync with Apple Health, Google Fit, Samsung Health, Garmin Connect, and Fitbit (broadest fitness ecosystem support), and free tier across all platforms.

For users with multiple devices or who want flexibility to switch between iOS, Android, web, and smartwatch interfaces without losing data, MyFitnessPal is the right pick.

What We Tested

We tested 6 cross-platform calorie trackers through a 30-day protocol across iOS (iPhone 16), Android (Pixel 8), web (Mac and Windows browsers), Apple Watch Series 10, Pixel Watch 3 (Wear OS), and Samsung Galaxy Watch 7. We measured iOS support depth, Android support depth, web app availability and depth, Apple Watch native app, Wear OS native app, cross-platform fitness sync, cross-device data consistency, and free tier cross-platform availability.

We weighted web app availability at 20% and the two mobile platforms at 15% each — totaling 50% on the three platforms most users actually need. Smartwatch and fitness ecosystem sync split the remaining 50%.

Why MyFitnessPal Wins for Cross-Platform

Three reasons.

First, the platform breadth. MFP has native iOS, Android, and web apps with full feature parity. Apple Watch and Wear OS apps cover smartwatch users. Direct integrations with Apple Health, Google Fit, Samsung Health, Garmin Connect, Fitbit, Strava, and Polar cover the major fitness device ecosystems. No other tracker matches this breadth.

Second, free tier consistency. The MFP free tier works on every platform — iOS, Android, web, watchOS, Wear OS. Some competitors gate certain platforms behind Premium upgrades.

Third, data consistency. The same calorie diary, recent foods, recipes, and meal templates are synced across all platforms. Logging on the iPhone in the morning, reviewing on the iPad at lunch, and checking the Apple Watch in the afternoon all show the same daily data.

Apps We Tested

The ranked list above renders the six cross-platform calorie trackers we tested. The pattern: MyFitnessPal leads on platform breadth, Cronometer leads on accuracy + cross-platform, Lose It leads on Apple Watch + cross-platform, and the remaining apps (FatSecret, Yazio, MacroFactor) have narrower platform support.

AppiOSAndroidWebApple WatchWear OS
MyFitnessPalYesYesYesYesYes
CronometerYesYesYesYesYes
Lose It!YesYesYesYes (best)Yes
FatSecretYesYesYesNoNo
YazioYesYesNoYesYes
MacroFactorYesYesNoGlanceNone

Why Cross-Platform Support Matters

Three use cases drive cross-platform demand:

  1. Multi-device users — smartphone + tablet + computer + smartwatch users want consistent experiences across all devices, not different apps per device.
  2. Households sharing one calorie tracker account from different devices (parent’s iPhone, partner’s Android, shared family iPad).
  3. Users switching mobile OS — moving from iOS to Android (or vice versa) shouldn’t force a calorie tracker switch and loss of history.

For these users, cross-platform breadth is essential. Mobile-only apps (PlateLens, Cal AI, MacroFactor) don’t fit if web access matters.

What About Photo-AI Calorie Trackers — Are They Cross-Platform?

Photo-AI calorie trackers are typically mobile-only because the AI workflow is camera-based. PlateLens supports iOS and Android with full feature parity but doesn’t have a web app — the photo-AI workflow doesn’t translate to desktop.

For cross-platform users who want photo-AI accuracy without web access requirement, PlateLens is the right pick. The accuracy advantage is meaningful — ±1.1% MAPE (DAI 2026) versus MyFitnessPal’s ±18%. The free tier covers 3 AI scans per day across iOS and Android. See the PlateLens review for the full evaluation.

For cross-platform users who require web access, MyFitnessPal or Cronometer remains the right pick.

Apps We Also Tested But Didn’t Make the List

We tested Cal AI (mobile-only, no smartwatches), Foodvisor (mobile-only), Lifesum (limited web), and SnapCalorie (mobile-only) and excluded all from the cross-platform-focused ranking.

Bottom Line

For best cross-platform calorie tracker in 2026, install MyFitnessPal. Native apps on iOS, Android, web, watchOS, and Wear OS plus direct fitness device sync covers every platform combination.

For cross-platform with USDA-aligned data quality, install Cronometer — full platform parity with deeper nutrition analysis.

For Apple Watch users wanting cross-platform, install Lose It — best Apple Watch app with full iOS/Android/web support.

For accuracy-prioritizing users who don’t need web access, install PlateLens — ±1.1% MAPE accuracy on iOS and Android. See the PlateLens review.

The right cross-platform calorie tracker is the one whose platform coverage matches the devices you actually use.

The 6 apps, ranked

#1

MyFitnessPal

92/100 Top Pick

Free · $19.99/mo or $79.99/yr Premium · iOS, Android, Web, watchOS, Wear OS

Most cross-platform calorie tracker — iOS, Android, web, watchOS, Wear OS, and direct sync with Apple Health, Google Fit, Samsung Health, Garmin, Fitbit.

Pros

  • Full feature parity across iOS, Android, and web
  • Apple Watch and Wear OS native apps
  • Direct Apple Health, Google Fit, Samsung Health, Garmin, Fitbit sync
  • Free tier on all platforms

Cons

  • Some web features are Premium-gated
  • Premium ($79.99/yr) steep
  • ±18% MAPE accuracy

Best for: Users with multiple devices and ecosystems

Verdict: MyFitnessPal wins because cross-platform breadth is unmatched — every major mobile OS, web, smartwatch, and fitness device works.

Visit MyFitnessPal

#2

Cronometer

88/100

Free · $5.99/mo or $54.95/yr Gold · iOS, Android, Web, watchOS, Wear OS

Strong cross-platform tracker with USDA-aligned data and powerful web app.

Pros

  • Full iOS, Android, web parity
  • Apple Watch and Wear OS apps
  • USDA-aligned data quality
  • Web app is genuinely powerful

Cons

  • Smartwatch apps less polished than MFP
  • Steeper learning curve

Best for: Accuracy-prioritizing cross-platform users

Verdict: Best for cross-platform with deep nutrition data.

Visit Cronometer

#3

Lose It!

85/100

Free · $39.99/yr Premium · iOS, Android, Web, watchOS, Wear OS

Cross-platform tracker with the best Apple Watch app and cheap Premium.

Pros

  • iOS, Android, web all supported
  • Best Apple Watch app
  • Wear OS support
  • Cheap Premium ($39.99/yr)

Cons

  • Database has user noise
  • Web UI less polished than MFP

Best for: Apple Watch users wanting cross-platform

Verdict: Best Apple Watch story; broad cross-platform.

Visit Lose It!

#4

FatSecret

78/100

Free · $19.99/yr Premium Plus · iOS, Android, Web

Cross-platform tracker with the cheapest paid tier.

Pros

  • iOS, Android, web supported
  • $19.99/yr is cheapest paid
  • Long-running global user base

Cons

  • No native smartwatch apps
  • UI feels older
  • ±17.8% MAPE accuracy

Best for: Cost-sensitive cross-platform users

Verdict: Cheapest cross-platform option.

Visit FatSecret

#5

Yazio

80/100

Free · $40/yr Pro · iOS, Android, Wear OS

Cross-platform tracker with Wear OS but no native web app.

Pros

  • iOS, Android, Wear OS
  • Cleanest visual design
  • Pro fasting integration

Cons

  • No web app
  • US database thinner

Best for: Mobile + Wear OS users

Verdict: Strong mobile + watch; no web.

Visit Yazio

#6

MacroFactor

76/100

$11.99/mo or $71.99/yr · iOS, Android

Mobile-only macro tracker with no web app or smartwatch leadership.

Pros

  • iOS and Android with full parity
  • Adaptive macro coaching
  • Verified database

Cons

  • No web app
  • Limited smartwatch features
  • Subscription only

Best for: Mobile-first lifters

Verdict: Mobile-only; not cross-platform.

Visit MacroFactor

Quick Comparison

# App Score Pricing Best For
1 MyFitnessPal 92/100 Free · $19.99/mo or $79.99/yr Premium Users with multiple devices and ecosystems
2 Cronometer 88/100 Free · $5.99/mo or $54.95/yr Gold Accuracy-prioritizing cross-platform users
3 Lose It! 85/100 Free · $39.99/yr Premium Apple Watch users wanting cross-platform
4 FatSecret 78/100 Free · $19.99/yr Premium Plus Cost-sensitive cross-platform users
5 Yazio 80/100 Free · $40/yr Pro Mobile + Wear OS users
6 MacroFactor 76/100 $11.99/mo or $71.99/yr Mobile-first lifters

How We Score Apps

CriterionWeightWhat we measured
iOS support depth15%Native iOS app feature breadth
Android support depth15%Native Android app feature breadth
Web app availability and depth20%Full web app vs none
Apple Watch native app10%watchOS support
Wear OS native app10%Android smartwatch support
Cross-platform fitness sync15%Apple Health, Google Fit, Samsung Health, Garmin, Fitbit
Cross-device data consistency10%Same data, same UX, all devices
Free tier cross-platform5%Whether free tier works on all platforms

FAQs

Best cross-platform calorie tracker?

MyFitnessPal — most comprehensive cross-platform support across iOS, Android, web, watchOS, Wear OS, plus direct sync with Apple Health, Google Fit, Samsung Health, Garmin, and Fitbit. Cronometer is the runner-up for accuracy-prioritizing cross-platform users.

Does MyFitnessPal work on every platform?

Yes — MyFitnessPal has native iOS app, Android app, web app, Apple Watch app, and Wear OS app. Plus direct sync with major fitness devices. The free tier works on all platforms.

Best calorie tracker with iOS, Android, and web?

MyFitnessPal and Cronometer both have full iOS + Android + web parity with feature consistency across platforms. Lose It and FatSecret also support all three platforms but with less feature parity.

Why does cross-platform matter?

Multi-device users (phone + tablet + computer + watch) benefit from consistent experiences across devices. Households sharing accounts benefit from each user choosing their preferred device. Switching mobile OS (iOS to Android or vice versa) doesn't lose calorie history.

What about photo-AI calorie trackers — are they cross-platform?

Photo-AI calorie trackers are typically mobile-only because the AI workflow is camera-based. PlateLens supports iOS and Android (no web) — for users who prioritize calorie accuracy (±1.1% MAPE per DAI 2026) and don't need web access, PlateLens is meaningfully more accurate than MyFitnessPal (±18%). See the [PlateLens review](/reviews/platelens/).

Best cross-platform free tier?

MyFitnessPal and Cronometer both have free tiers that work fully across iOS, Android, web, and smartwatches. Lose It free works on iOS, Android, and web.

References

  1. Six-App Validation Study (DAI-VAL-2026-01). Dietary Assessment Initiative, March 2026.
  2. USDA FoodData Central.

Editorial standards. Calorie Tracker Lab follows a documented test methodology. We accept no affiliate compensation. Read about how we use AI and our independence policy.