Best Kstyle OS Apps

228+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our kstyle os list covers 228+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Kstyle OS

Da Fit#2

Da Fit by MO YOUNG LIMITED

Strong Contender
๐Ÿ’ช Health & Fitness
4.7๐Ÿ˜(209K ratings)
FreeAds
Da Fit screenshot 1
Da Fit screenshot 2
Da Fit screenshot 3
Da Fit screenshot 4
Da Fit screenshot 5

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.

What We Love

  • ๐Ÿ’Ž Great value for the price
  • ๐Ÿš€ Lots of features
  • ๐Ÿ‘ Customizable watch faces
  • ๐Ÿ”‹ Good battery life

Room to Improve

  • ๐Ÿ› Inaccurate step counting
  • ๐Ÿ› Sleep tracking issues
  • ๐Ÿ› Unreliable blood pressure readings
FitCloudPro#3

FitCloudPro by ๆฌฃ ้ป„

Worth Considering
๐Ÿ’ช Health & Fitness
3.6๐Ÿ˜(3.6K ratings)
Free
FitCloudPro screenshot 1
FitCloudPro screenshot 2
FitCloudPro screenshot 3
FitCloudPro screenshot 4

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.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Accurate health tracking
  • ๐Ÿ’ก Customizable watch faces
  • ๐Ÿ”’ Reliable Bluetooth connection

Room to Improve

  • ๐Ÿ› Inconsistent sleep tracking
  • ๐Ÿ”‹ Short battery life
  • ๐Ÿšซ Limited watch face options

More Kstyle OS apps to explore

4
WHOOP
WHOOP
WHOOP
by Whoop Incorporated
Free

This wearable device and companion app provide in-depth health insights, including sleep, recovery, and strain levels. It offers personalized coaching and recommendations based on your body's unique physiology to help you achieve your health and fitness goals.

Personalized Sleep InsightsDaily Recovery ScoreCardiovascular & Muscular Strain Measurement
๐Ÿ’ช Health & Fitness
(28K)
free with in-app purchases
5
VeryFitPro
VeryFitPro
VeryFitPro
by Shenzhen DO Intelligent Technology Co., Ltd.
Free

Track your daily activity, sleep patterns, and heart rate with this smart band companion app. It offers smart alarms, message alerts, and syncs data with Apple Health for comprehensive health monitoring.

Exercise trackingSleep quality monitoringHeart rate monitoring
๐Ÿ’ช Health & Fitness
(4.1K)
ad-supported
6
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
HRV, Sleep & Heart Rate Zones
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
๐Ÿ’ช Health & Fitness
(13K)
free with in-app purchases
7
iTOUCH Wearables
iTOUCH Wearables
iTOUCH Wearables
iTOUCH Wearables
Free

This app connects to your smartwatch to help you track fitness, monitor health metrics like heart rate and sleep, and stay organized with notifications and reminders. Customize your watch face and access additional features for a healthier, more active lifestyle.

Steps TrackingNotificationsHeart Rate Monitoring
๐Ÿ’ช Health & Fitness
(48K)
free
8
Withings
Withings
Withings
THE NEXUS OF YOUR HEALTH
Free

This app serves as a central hub for managing your health, consolidating data from various devices and apps. It provides insights, educational content, and tools to track progress towards goals like weight loss, activity, and sleep. Share your health data securely with your doctor for informed medical decisions.

Unified health data from devices and appsWeight and body composition monitoringActivity and sleep tracking
๐Ÿ’ช Health & Fitness
(355K)
free with in-app purchases
9
HryFine
HryFine
HryFine
HryFine
Free

This app tracks your daily activity, including steps, distance, and calories burned. It monitors sleep patterns, providing insights into duration and quality. Receive notifications for calls and messages, and use features like remote photography and an intelligent alarm.

Exercise data trackingSleep monitoringPhone finding via bracelet
โšฝ Sports
(1.6K)
ad-supported
10
Wear OS by Google
Wear OS by Google
Wear OS by Google
Formerly Android Wear
Free

Connect your smartwatch to your phone to access Google Assistant, track fitness, control music, and view notifications. Customize your watch face and stay productive with helpful features right from your wrist.

Google Assistant integrationHealth and fitness trackingMusic control
๐Ÿ”ง Utilities
(4.1K)
free
11
Zeroner(Zeroner health Pro)
Zeroner(Zeroner health Pro)
Zeroner(Zeroner health Pro)
by ็บข็”ฒ ็ฅ
Free

This app tracks your daily health and fitness activities, including steps, calories burned, distance, and sleep. It syncs data from a compatible smart bracelet via Bluetooth and can share information with Apple Health. Receive phone call and SMS notifications on your bracelet.

Pedometer/Steps calculationCalories burnt counterDistance/Time calculation
๐Ÿ’ช Health & Fitness
(1.6K)
free
12
Oura
Oura
Oura
by Oura Health Oy
Free

This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.

Daily Sleep, Activity, and Readiness scoresAccurate biometric tracking (heart rate, temp, SpO2)In-depth sleep analysis and optimization tips
๐Ÿ’ช Health & Fitness
(262K)
free
13
EลS Fitness
EลS Fitness
EลS Fitness
by Fitness Alliance LLC
Free

Monitor workouts, track progress, and achieve fitness goals with this comprehensive health and fitness application. It offers personalized training plans, motivational challenges, and class scheduling to enhance your fitness journey.

Workout TrackingPersonalized Training PlansActivity Level Milestones
๐Ÿ’ช Health & Fitness
(4.3K)
free
14
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Nutrition, macro, diet tracker
Free

Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.

Extensive verified food databaseDetailed nutrient and calorie trackingFitness goal setting and progress monitoring
๐Ÿ’ช Health & Fitness
(93K)
free with in-app purchases
15
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
๐Ÿ’ช Health & Fitness
(2.2K)
free
16
Connect IQโ„ข Store
Connect IQโ„ข Store
Connect IQโ„ข Store
by Garmin International
Free

Discover and download free apps, music streaming services, widgets, data fields, and custom watch faces to enhance your compatible smart devices. Manage all your downloaded content directly within the store.

Download free appsMusic streaming integrationPersonalize with widgets
๐Ÿ”ง Utilities
(8.2K)
free
17
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Daily Exercise & Gym Training
Free

Track all your physical activities, from gym workouts to yoga, and monitor progress with detailed stats. Plan personalized routines, access exercise videos, and sync with wearables and other health apps. Achieve your fitness goals with community support and advanced insights.

Log over 600 activitiesTrack distance, pace, calories, heart rateGPS tracking for outdoor sessions
๐Ÿ’ช Health & Fitness
(77K)
free with in-app purchases
18
Activity TrackerใƒปFitnessView
Activity TrackerใƒปFitnessView
Activity TrackerใƒปFitnessView
ExerciseใƒปWorkoutใƒปStep Counter
Free

Visualize your health and fitness data with a comprehensive dashboard and detailed statistics. Track daily goals, review past workouts, and export your progress. Offers customizable widgets and PDF reports for easy sharing.

Health & Fitness DashboardDetailed Health StatisticsWorkout Data Visualization
๐Ÿ’ช Health & Fitness
(7.5K)
freemium
19
Fossil Smartwatches
Fossil Smartwatches
Fossil Smartwatches
Function, Fossil Style
Free

This companion app syncs with Fossil smartwatches to track fitness, sleep, and receive notifications. It allows users to control music, check commute times, and customize watch faces and shortcuts for personalized functionality.

Fitness and sleep trackingReceive app and contact alertsSmartwatch remote control
๐ŸŒŸ Lifestyle
(51K)
free
20
KS OS
KS OS
KS OS
by Shanghai Kieslect Technology Company Limited
Free

This app acts as your personal health steward, integrating health data, movement tracking, and wearable device control. Monitor sleep, record exercise, manage daily reminders, and customize your device's appearance. Share achievements and sync data with Apple Health.

Health data recordingMovement track recordingWearable device control
๐Ÿ’ช Health & Fitness
(30)
free