Best O2Fit Apps

225+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

If you already know O2Fit, this is the deeper bench. 225+ o2fit apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Compare top O2Fit Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1O2Fit - Diet & Calorie CounterO2Fit - Diet & Calorie CounterFree4.6★ (358)NoNoJul 2026
27 Minute Workout: Exercise App7 Minute Workout: Exercise AppFree4.8★ (123K)YesYesJul 2026
3Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (767K)YesYesJul 2026
4MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.3M)YesYesJul 2026
5FitCloudProFitCloudProFree3.6★ (3.7K)NoNoJul 2026
6PrO2 FitPrO2 FitFree3.5★ (4)NoNoJul 2026
7Blood Oxygen | O2 Monitor app+Blood Oxygen | O2 Monitor app+Free4.6★ (379)NoYesJul 2026
8Orangetheory FitnessOrangetheory FitnessFree4.9★ (487K)NoNoJul 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

Room to Improve

  • 💰 Expensive subscription pricing
  • 🐢 App performance is slow
  • 🔍 Food search functionality is tedious and cumbersome
7 Minute Workout: Exercise App#2

7 Minute Workout: Exercise App by Fast Builder Limited

Lazy Workout for Weight Loss
Strong Contender
💪 Health & Fitness
4.8😊(123K ratings)
FreeAdsIn-App Purchases
7 Minute Workout: Exercise App screenshot 1
7 Minute Workout: Exercise App screenshot 2
7 Minute Workout: Exercise App screenshot 3
7 Minute Workout: Exercise App screenshot 4
7 Minute Workout: Exercise App screenshot 5
7 Minute Workout: Exercise App screenshot 6

This app offers short, effective workouts designed to improve your health. It provides guided exercises with voice and video instructions, suitable for beginners and requiring no equipment. Users can also build custom routines and integrate with Apple Health.

What We Love

  • 🚀 Effective workouts
  • 👍 Easy to follow instructions
  • 💪 Helps build strength and fitness
  • 🕰️ Quick 7-minute sessions

Room to Improve

  • 🐛 Occasional app freezing and crashes
  • 🔍 Limited variety of pre-designed workouts
  • 🔖 Difficulty creating custom workouts
Lose It! – Calorie Counter#3

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Worth Considering
💪 Health & Fitness
4.8😊(767K ratings)
FreeAdsIn-App Purchases
#15in 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

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling

More O2Fit apps to explore

4
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight Tracker
Free

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

AI Food TrackerCalorie and Macro TrackingWater Intake Monitoring
💪 Health & Fitness
(2.3M)
free with in-app purchases
5
FitCloudPro
FitCloudPro
FitCloudPro
by 欣 黄
Free

Track your daily activity, sleep patterns, and health metrics with a connected smartwatch. Receive timely notifications, set reminders, and control your phone's camera remotely. Sync your data with Apple Health for a comprehensive view of your well-being.

Standard sports data tracking (steps, calories, distance)Sleep monitoringApp notification reminders
💪 Health & Fitness
(3.7K)
free
6
PrO2 Fit
PrO2 Fit
PrO2 Fit
Breathe Easier. Train Harder.
Free

This app pairs with a respiratory muscle trainer to help users measure and improve their breathing strength and performance. It guides users through resisted breathing exercises to enhance respiratory function.

Measure respiratory strengthImprove breathing performanceResisted breathing exercises
💪 Health & Fitness
(4)
free
7
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Saturation Level + Pulse Rate
Free

Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.

Log oxygen saturation (SpO2) and pulse rateFast and accurate pulse measurementMulti-profile support for family members
🏥 Medical
(379)
freemium
8
Orangetheory Fitness
Orangetheory Fitness
Orangetheory Fitness
The smartest one-hour workout
Free

This app offers a science-backed, coach-inspired group workout experience. It allows users to easily book classes, track workout statistics in real-time, and manage their fitness progress. Achieve life-changing results with this streamlined fitness companion.

Book and cancel classesSearch and manage favorite studiosTrack workout stats in real time
💪 Health & Fitness
(487K)
free
9
Fitness App (ABC Trainerize)
Fitness App (ABC Trainerize)
Fitness App (ABC Trainerize)
by TSR Gym Technik Ltd.
Free

This app connects fitness professionals with their clients, offering tools for online coaching, personalized training plans, nutrition guidance, and progress tracking. It aims to enhance client engagement and help individuals achieve their health goals through a comprehensive digital experience.

Client engagement toolsOnline training plan deliveryNutrition and habit coaching
💪 Health & Fitness
(65K)
freemium
10
H2O Fitness Collaborative
H2O Fitness Collaborative
H2O Fitness Collaborative
by H2O Fitness Collaborative LLC,P.A.
Free
💪 Health & Fitness
(0)
11
Da Fit
Da Fit
Da Fit
by MO YOUNG LIMITED
Free

Track your fitness with accurate motion recording, detailed sleep analysis, and comprehensive exercise insights. This app encourages a healthy lifestyle and helps you discover more fun through connected smart devices and personal reminders.

Accurate motion recordingDetailed sleep trackingExercise analysis
💪 Health & Fitness
(209K)
ad-supported
12
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Functional Fitness Training
Free

This app offers high-intensity functional fitness training combining strength and conditioning. It uses an AI algorithm to personalize your workouts, track progress, and provide instructional videos. Workouts can be done anywhere, with or without equipment.

AI-personalized workoutsStrength and conditioningFull body training
💪 Health & Fitness
(5.9K)
free with in-app purchases
13
Google Fit: Activity Tracker
Google Fit: Activity Tracker
Google Fit: Activity Tracker
Track your health and fitness
Free

This app helps you achieve a healthier, more active lifestyle by tracking your physical activity and providing personalized goals. It awards points for moderate and intense exercise, aligning with recommendations from health organizations to improve heart health, sleep, and mental wellbeing.

Track workouts (runs, walks, bike rides)Monitor Heart Points and steps goalsManually add missed activities
💪 Health & Fitness
(2.2K)
free
14
Fitplan®: Gym & Home Workouts
Fitplan®: Gym & Home Workouts
Fitplan®: Gym & Home Workouts
#1 Personal Trainer App
Free

Access personalized workout plans from elite trainers, whether you're at home or in the gym. Track your progress, get step-by-step video guidance, and join a supportive community to achieve your fitness goals.

Elite trainer-led workout programsHome and gym workout optionsStep-by-step HD video instruction
💪 Health & Fitness
(11K)
free with in-app purchases
15
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
JEFIT Workout Plan Gym Tracker
Fitness & Workout Tracker
Free

This app helps you achieve fitness goals with personalized workout plans, detailed exercise instructions, and progress tracking. Log your weight, reps, and sets, and gain insights into your training effectiveness. It supports strength tracking and syncs with Apple Health and smartwatches.

Personalized daily workout plans1,400+ exercises with HD videoWorkout logging and progress tracking
💪 Health & Fitness
(47K)
free with in-app purchases
16
Freeletics Personal AI Trainer
Freeletics Personal AI Trainer
Freeletics Personal AI Trainer
Weight loss challenge & goals
Free

This app provides a personalized AI fitness coach for workouts at home or in the gym. It adapts to your fitness level and goals, offering a variety of training styles and exercises. Join a large community for motivation and track your progress.

AI-powered personalized training plansHome and gym workout optionsVariety of workout styles (HIIT, bodyweight, weights, cardio)
💪 Health & Fitness
(22K)
free with in-app purchases
17
Keep Trainer: Gym Workout Log
Keep Trainer: Gym Workout Log
Keep Trainer: Gym Workout Log
by Calorie Tech Ltd.
Free

This app offers a comprehensive fitness coaching experience with a vast library of exercises and expert-designed workout routines. It provides personalized training plans, video guidance, and options for all fitness levels, allowing users to achieve their health and fitness goals at home.

400+ exercises database100+ expert-designed workoutsVideo guidance from trainers
💪 Health & Fitness
(14K)
free with in-app purchases
18
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Build Muscle. Get Fit.
Free

This all-in-one fitness app offers personalized workout plans and meal suggestions to help you achieve your strength and fitness goals. Train at home or in the gym with programs designed by elite coaches, track your progress, and enjoy a variety of workout styles.

Personalized workout plansCustomizable for goals and experienceTrain at home or in the gym
💪 Health & Fitness
(21K)
free with in-app purchases
19
Studio Era
Studio Era
Studio Era
Home workouts & easy recipes
Free

Achieve your fitness goals with efficient home workouts and personalized nutrition plans. This app offers a variety of workout styles, easy-to-follow recipes, and comprehensive tracking tools to support your health journey. Integrate with wearables for enhanced progress monitoring.

On-demand workout libraryPersonalized calorie and macro targetsQuick and easy recipes
💪 Health & Fitness
(395)
free with in-app purchases
20
FITIV Pulse - Workout Tracker
FITIV Pulse - Workout Tracker
FITIV Pulse - Workout Tracker
Зоны тренировок и интервалы
Free

This app is a comprehensive health and fitness tracker that monitors workouts, heart rate, sleep, and recovery. It provides actionable insights to help users train smarter and achieve their fitness goals.

Heart rate zone trainingHRV and recovery trackingSleep monitoring
💪 Health & Fitness
(13K)
free with in-app purchases

FAQ about O2Fit

What are the best o2fit apps for iPhone?
O2Fit - Diet & Calorie Counter tops our o2fit apps ranking as of July 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 7 Minute Workout: Exercise App.
O2Fit - Diet & Calorie Counter has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 225+ o2fit apps on the iOS App Store as of July 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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