Best O2Fit Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

If you already know O2Fit, this is the deeper bench. 250+ o2fit apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top O2Fit Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1O2Fit - Diet & Calorie CounterO2Fit - Diet & Calorie CounterFree4.6★ (358)NoNoSep 2026
2O2 Fitness AlbirO2 Fitness AlbirFreeNoNoAug 2026
3Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (777K)YesYesSep 2026
4WhatsApp MessengerWhatsApp MessengerFree4.7★ (19M)YesYesSep 2026
57 Minute Workout: Exercise App7 Minute Workout: Exercise AppFree4.8★ (124K)YesYesSep 2026
6PrO2 FitPrO2 FitFree3.5★ (4)NoNoJul 2026
7Google Fit: Activity TrackerGoogle Fit: Activity TrackerFree4.2★ (2.2K)NoNoSep 2026
8Fit2Health-OFit2Health-OFreeNoJul 2026

Top Picks for O2Fit

O2Fit - Diet & Calorie Counter#1

O2Fit - Diet & Calorie Counter by ladan fazel

Weight, fitness & workout
Editor's Choice
💪 Health & Fitness
4.6😊(358 ratings)
Free
O2Fit - Diet & Calorie Counter screenshot 1
O2Fit - Diet & Calorie Counter screenshot 2
O2Fit - Diet & Calorie Counter screenshot 3
O2Fit - Diet & Calorie Counter screenshot 4
O2Fit - Diet & Calorie Counter screenshot 5
O2Fit - Diet & Calorie Counter screenshot 6

This app helps you manage your diet and fitness by calculating your daily calorie needs, tracking your macronutrients, and offering personalized meal plans. It also includes a step counter, water tracker, and a library of workout guides to support your health goals.

What We Love

  • 👍 User-friendly and easy to navigate
  • 🎯 Comprehensive food database with accurate calorie information
  • 💪 Effective for weight loss and diet tracking
  • 🍽️ Flexible calorie-based approach without food restrictions
  • 📊 Detailed meal planning and body composition tracking
  • 🏆 Excellent customer service and support
  • 🌟 Complete and practical fitness solution
  • 📱 Clean and intuitive GUI design

Room to Improve

  • 💰 Expensive subscription pricing
  • 🐢 App performance is slow
  • 🔍 Food search functionality is tedious and cumbersome
  • 🚫 Limited food variety in database
  • 📍 No integration with Apple Watch or iPhone Health
  • ⚙️ Body composition feature has bugs
  • 🌍 Only supports metric measurements, not imperial
  • 🔐 Phone number-only login is intrusive
Lose It! – Calorie Counter#3

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Worth Considering
💪 Health & Fitness
4.8😊(777K ratings)
FreeAdsIn-App Purchases
#18in Health & Fitness
Lose It! – Calorie Counter screenshot 1
Lose It! – Calorie Counter screenshot 2
Lose It! – Calorie Counter screenshot 3
Lose It! – Calorie Counter screenshot 4
Lose It! – Calorie Counter screenshot 5
Lose It! – Calorie Counter screenshot 6

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive food database
  • 💡 Helpful for weight loss
  • 🚀 Syncs with fitness trackers
  • 👍 Customizable goals and tracking
  • 👍 Motivating progress tracking

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling
  • 🐛 Buggy performance issues
  • 🔒 Privacy concerns with data sharing

More O2Fit apps to explore

FAQ about O2Fit

What are the best o2fit apps for iPhone?
O2Fit - Diet & Calorie Counter tops our o2fit apps ranking as of September 2026, with a 4.6-star average from 358 App Store ratings, and it's free to download.
Yes — 20 of the top o2fit apps we rank are free to download, including O2Fit - Diet & Calorie Counter and O2 Fitness Albir.
O2Fit - Diet & Calorie Counter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ o2fit apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
O2Fit is a comprehensive health and fitness application designed to help users manage their diet and exercise. It offers features like a smart calorie counter that calculates daily needs based on body type and goals, a step counter integrated with Apple Health, and a detailed body analysis tool.
Key features include a smart calorie counter with zigzag calorie calculation to prevent weight loss plateaus, a step counter, body analysis based on body types, customizable recipes, the ability to track macro and micronutrients, a smart water tracker, a barcode scanner for food logging, and a library of workout guides.

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