# O2Fit - Diet & Calorie Counter — Weight, fitness & workout > Diet and fitness tracker with calorie counter, step tracker, and workout guides. (iPhone/iPad app by ladan fazel.) - Source: https://appshunter.io/ios/app/o2fit-diet-and-calorie-counter/id1556681170 (this page in markdown: same URL + `.md`) - Developer: [ladan fazel](https://appshunter.io/developer/1556681172) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 4.60/5 from 358 App Store ratings · 40 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 71 MB - Languages: American English - Released: 2021-03-15 - Data updated: 2026-09-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/o2fit-diet-and-calorie-counter/id1556681170/reviews.md ## What is O2Fit? O2FIT FEATURES • Smart Calorie Counter - Calculate your daily calorie needs based on your body type and unique specifications - We calculate calories based on nutritional goal We calculate zigzag calories to prevent Stop weight • Step Counter - Integrated with Apple Health app for counting your steps. • Body Analyze Oxygen Fit is designed based on the most accurate methods for calorie counting and diet. For example, the daily budget is determined based on your body type; Because the amount of macronutrients is different for ectomorph, mesomorph and endomorphic body types. • Recipes – customize your weight loss with breakfast, lunch, and dinner meals you create yourself. • Customize All Foods Edit or customize the ingredients in the food according to what you eaten and this is the most accurate method of counting calories also we calculate calorie and macros in you’r customize food. • Track Macro and micro nutrients track more than just calories including macros, proteins, water, carbs, sugars, body measurements, sleep cycles, and more. • Smart Water Tracker O2Fit calculates and provides you with the amount of water your body needs based on your gender, weight and size. It also calculates the water absorbed through food and deducts it from your budget. • Barcode Scanner quickly scan food barcodes or search our database to track foods you’ve eaten. • Food Library Database 2+ million searchable foods in our database. • Meal Planning & Targets we calculate meal targets this helps you calculate suggested calories per meal based on your goal. • Workout Guides - library of workouts with guide to help you to better exercise ## Key features - Smart Calorie Counter - Step Counter - Body Analysis - Customizable Recipes - Macro and Micronutrient Tracking - Smart Water Tracker - Barcode Scanner - Workout Guides ## What do users think of O2Fit? Overall sentiment: positive **Pros** - 👍 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 **Cons** - 💰 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 **Commonly reported bugs** - Two-step verification code not working correctly - Barcode reader is inactive - Body measurements input validation error - Login code not being sent to users - Initial setup screen buttons not visible on smaller devices (iPhone 5) - Step counter malfunction **Most requested features** - Step counter improvements and fixes - Integration with smartwatch apps like Huawei Health - Water intake tracking (Water Minder integration) - Expanded vegan meal options and recipes - Additional measurement units (spoons, imperial system) - More diverse food options (grilled chicken, diet products, sauces) - Loyalty discounts for long-term subscribers - Sync with Apple Health and iPhone health data - Batch exercise entry instead of individual entries ## Recent user reviews (10 of 40) All indexed reviews: https://appshunter.io/ios/app/o2fit-diet-and-calorie-counter/id1556681170/reviews.md ### 1/5 — اجبار *2026-06-20* شما برنامه ورزشی ساختی یا برنامه بانکی که توی لحظه اول آدم و اجبار میکنی حتما شماره وارد کنیم؟ شما بزار یه نفر برنامه رو اجرا کنه اصلا ببینه کیفیت برنامه نسبت به مدل های مشابه چجوریه بعد اگر خواست میاد اطلاعات شخصی رو میده، لحظه اول اطلاعات خصوصی رو میدی بعد تو خط مشی جوری نفر رو چسبوندی دیوار انگار میخوای وام بانکی بدی میترسی طرف در بره، یه حالت روح یا کاربر موقت بزار واسه برنامت کسی حریم شخصیش مهم باشه هم بتونه از برنامه استفاده کنه. ### 5/5 — O2 *2025-07-25* everything i needed and more ❤️ ### 1/5 — this app sign up is trash *2025-04-15, version 4.4.3* I’m trying to do the 2 step verification with the code, and it said it was incorrect the 5 times I did it and even changed the email. ### 5/5 — Tara *2025-03-30* خیلی خیلی عالیه همه چیزی که یه شخص برای رژیم نیاز داره رو این برنامه داره ### 5/5 — O2Fit *2025-01-17* bi nazirrr perfect behtarin app baraye control rejim ### 5/5 — خوب بود *2024-12-13* من یه ماه با این اپ کار کردم. بنظرم دیتابیس غذاهاش نسبتا کامله و در کل اپلیکیشن قابل قبولی هست. ### 5/5 — Mehdi *2024-11-10* Gorgeous diet and calorie counting app👌🙏 ### 1/5 — Grab *2024-09-27* Another grab from Iranian thieves ### 5/5 — بدون محدودیت خوراکی *2024-07-20* خب من تقریبا ۲ سالی هست که همراه این نرم افزار هستم و میشه گفت غالبا ازش راضی بودم و همونطور که میدونید رژیم وقتی تاثیر ماندگار داره که سبک زندگی بشه، خوبی این نرم افزار اینه که چون بر مبنای کالری شماریه ،تو هر چیزی که بخوای میتونی تو اندازه ای که بهت میگه مصرف کنی و اینکه چون محدودیت خوراکی نداری میتونی خفظش کنی، تو سفر و شرایط پیچیده کاری لازم نیست روزانه یه وقتی جدا برای تهیه خوراک بزاری ! و این برای منی که از تهیه هر وعده خوراکی تو رژیمهای دیگه کلافه بودم مزیت بزرگی محسوب میشه،نقدم اینه که چرا گرونش کردید؟ 😏 تازه به من که خیلی وقته باهاتون هستم چرا تخفیف نمیدید؟ ### 1/5 — گرونه *2024-07-11* هم خیلی گرونه هم میخوای از سایر بخش هایی که تو سایر برنامه های ماشبه رایگانه اینجا استفاده کنی باید پولی از نظر من یک ستاره هم زیادشه ## Frequently asked questions about O2Fit ### What does O2Fit do? 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. ### What are the key features of O2Fit? 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. ### Is O2Fit free to use? Yes, based on the provided information, O2Fit is a free application. It does not mention any in-app purchases, subscriptions, or advertisements, indicating it is available at no cost to the user. ### What kind of workouts are available in O2Fit? The app provides a library of workouts designed to help users exercise better. While specific workout types are not detailed, it mentions that these guides are available to support users in their fitness routines. ### How does O2Fit help with weight loss? O2Fit supports weight loss by calculating personalized daily calorie needs, tracking macronutrients and micronutrients, offering customizable meal plans and recipes, and preventing weight loss plateaus with its smart calorie counting methods. The step counter and water tracker also contribute to a holistic approach to health. ## Version history (last 5 releases) ### 4.4.3 — 2023-12-12 - Widget update issue fixed ### 4.4.2 — 2023-12-06 - Diet plan updated - Some issue fixed ### 4.3.7 — 2023-04-16 - food track issue fixed iPhone 11 and iPhone 13) ### 4.3.6 — 2023-04-09 Pedometer issue fixed ### 4.2.0 — 2022-12-31 Thanks for using our app In this version We spruced up the app to make O2Fit even easier and faster to use. - Food tracking in diary issue fixed - Decimal number issue in add food, solved ## Apps similar to O2Fit | App | Rating | Price | Category | | --- | --- | --- | --- | | [Keto Diet App － Carb Tracker](https://appshunter.io/ios/app/keto-diet-app-carb-tracker/id1406879426) | 4.7 (82,159) | Free | Health & Fitness | | [AI Calorie Tracker by Yazio](https://appshunter.io/ios/app/ai-calorie-tracker-by-yazio/id946099227) | 4.7 (50,228) | Free | Health & Fitness | | [Lose It! – Calorie Counter](https://appshunter.io/ios/app/lose-it-calorie-counter/id297368629) | 4.8 (774,590) | Free | Health & Fitness | | [Calorie Counter - Calory AI](https://appshunter.io/ios/app/calorie-counter-calory-ai/id1441252752) | 4.6 (7,896) | Free | Health & Fitness | | [Calorie Counter - MyNetDiary](https://appshunter.io/ios/app/calorie-counter-mynetdiary/id287529757) | 4.8 (163,514) | Free | Health & Fitness | | [MyFitnessPal: Calorie Counter](https://appshunter.io/ios/app/myfitnesspal-calorie-counter/id341232718) | 4.7 (2,354,369) | Free | Health & Fitness | ## Related topics [ofit](https://appshunter.io/ios/topics/ofit) · [o2 fitness](https://appshunter.io/ios/topics/o2-fitness) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*