These 11 apps represent the pinnacle of fitness tracking for iOS in 2025, offering everything from period and pregnancy tracking to running and sleep monitoring. They are selected for their high ratings, user-friendly designs, and innovative features that cater to diverse health needs.
The best fitness tracker app for iOS
Pacer is like having a walking buddy and health coach in one app. You can track all your activities in one beautifully intuitive interface. And you’ll get motivation and support from our amazing Pacer community. Pacer's fun challenges, amazing data insights, outdoor routes, personalized fitness plans and guided workouts will help you achieve your unique fitness goals. Be active and feel great anywhere, anytime! Hear what some of our users are saying: "Really like this highly addictive app..." ~Sparky731 "Best app I've ever used helping me lose a few pounds a week..." ~Gerryofkellys "...I’m just grateful to this app for being a major catalyst to my health and fitness transformation... my husband and I have lost well over 100lbs" ~LaToya M "...I've lost 20 lbs in the last 3 months by just trying to beat my walking distance daily at work. I love the daily goal. Cheaper and better than a gym membership and a 1000x's more effective!" ~Covette92 GET STARTED RIGHT AWAY FOR FREE -No wristband or other hardware required. Works entirely from your phone with no additional setup TRACK ALL YOUR ACTIVITY -Tracks your steps all day long whether your phone is in your hand, in your pocket, in your jacket, on an armband or in your purse -Link to Apple Health to track with your Apple Watch -Records steps, flights, calories, distance and active time -Use GPS to track your outdoor walking, hiking, running and biking on a map LOSE WEIGHT & GET FIT -Track your weight and BMI over time, and correlate changes with your activity and other vitals STAY MOTIVATED WITH FAMILY & FRIENDS -Create walking groups with your friends and family to compare daily steps in real-time -Connect with friends using iPhone or any other smartphones JOIN ACTIVITY CHALLENGES -Challenge admins can create activity challenges -We offer a variety of activity challenge types. You can aim for the top spot on a leaderboard, set a daily goal, or work towards a long-term step target ***Other Great Features*** -Syncs your data to Apple Health App -Link to Apple Health to sync data from your Apple Watch -Track your blood pressure along with activity and weight -Create plans and set daily goals for yourself -Based on science: track your metrics against standards provided by the World Health Organization, American Heart Association and President’s Fitness Council. No other app can give you all this right on your iPhone with such a simple interface. Before you spend your money on an expensive wearable device, try Pacer first! And remember, stay active! ***GET BETTER RESULTS WITH PACER PREMIUM*** Unlock powerful tools to help you reach your health goals. -Scientifically designed guided workouts -Weight loss coaching program -Advanced data reports and insights SUBSCRIPTION FEES Subscriptions to Pacer Premium are $9.99 per month or $49.99 for a full year. Pacer Premium subscriptions will be charged to your iTunes account after your confirmation of purchase. You can use your iTunes account to subscribe and pay for Pacer Premium. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions will renew automatically unless cancelled at least 24 hours before the current period ends. Your account will be charged for renewal within 24 hours prior to the end of the current period, and will renew at the same cost. You can manage subscriptions and turn off auto-renewal by going to your iTunes Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service, where applicable. ***Location Based Services *** This app has an optional feature for more accurate tracking that makes use of iOS's location based services. Note: Continued use of GPS running in the background may dramatically decrease battery life. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
These 11 apps represent the pinnacle of fitness tracking for iOS in 2025, offering everything from period and pregnancy tracking to running and sleep monitoring. They are selected for their high ratings, user-friendly designs, and innovative features that cater to diverse health needs.
Ideal for anyone looking to monitor their health, whether you're an athlete, someone managing menstrual cycles, or aiming to improve sleep and habits. These apps provide data-driven insights to support wellness goals.
We evaluated based on user ratings, feature sets, ease of use, pricing value, and real user feedback to ensure comprehensive and unbiased recommendations.
Highest user rating among the apps
Comprehensive activity tracking with intuitive interface
Strong community support and motivation features
All-in-one activity tracking
Health coach integration
Beautiful and user-friendly design
"Users consistently praise its ease of use and the motivational support it provides, making it feel like a personal walking buddy."
- What users love most
Pacer Pedometer: Step Tracker
It offers a balanced mix of features for various activities, has the highest rating, and is free with excellent usability.
Period Tracker by GP Apps
Completely free with no ads, providing essential period tracking features without cost.
Noom Weight Loss, Food Tracker
The subscription offers deep behavioral insights and AI features that justify the cost for weight management.
Sweatcoin Walking Step Counter
Its gamified approach makes it intuitive and fun for beginners to start tracking steps.
BetterSleep: Relax and Sleep
Uses advanced sound technology and sleep analysis to provide cutting-edge relaxation and sleep improvement.
An all-in-one pedometer and health coach that makes tracking daily activities simple and motivating.
A robust running app trusted by millions for its detailed GPS tracking and community features.
A top-tier running app that helps users set and achieve fitness goals with ease.
A simple and effective app for menstrual health tracking with advanced features for pregnancy planning.
A medically-backed period tracker trusted by millions for its accuracy and supportive community.
A habit-building app that focuses on mental health and routine development through science-based methods.
A fun app that rewards users for walking, turning steps into tangible rewards and incentives.
A top-rated sleep app that uses sounds and analytics to improve sleep quality and relaxation.
An intelligent alarm clock that wakes users during light sleep phases for a more refreshed morning.
A comprehensive tracker for pregnancy and baby development, offering week-by-week guidance and support.
A psychology-based app that helps users build healthy eating habits and track weight loss sustainably.
Apps vary from general fitness (e.g., Pacer) to specialized areas like running (Map My Run) or sleep (BetterSleep). Some focus on monetization through rewards (Sweatcoin), while others emphasize medical accuracy (Flo).
Consider your primary goal (e.g., running, sleep, periods), budget for premiums, and desire for community or expert backing. Look for apps with high ratings and positive user feedback.
Most apps cannot replace professional medical advice, may have battery drain issues, and often require subscriptions for full functionality. Accuracy can vary based on device sensors.
Integration of AI for personalized recommendations, increased focus on mental health, and gamification to enhance user engagement are becoming standard in 2025.
Fitness tracker apps are diversifying beyond basic step counting to include menstrual health, sleep, and habit formation. High user ratings often correlate with ease of use and community support. Many free apps offer substantial value, but premiums unlock advanced features.
Expect free apps with optional premiums ranging from $5-20/month, offering enhanced features like personalized plans or ad-free experiences.
Sweatcoin or Pacer are great starters due to their simplicity and motivational features, making it easy to get into tracking.
Start with free versions to see if they meet your needs; upgrade to paid only if you require advanced features like personalized coaching or ad-free experiences.
They provide good estimates based on sensors, but for medical purposes, always consult a healthcare professional as apps are not substitutes for professional advice.
This collection highlights the top fitness tracker apps for iOS in 2025, each excelling in specific areas from general activity to specialized health tracking. High ratings and user feedback confirm their effectiveness and reliability.
Choose based on your primary goal: Pacer for overall fitness, Map My Run for running, or Flo for menstrual health, ensuring you pick an app that aligns with your needs and budget.
Expect continued innovation with AI integration, better personalization, and broader health ecosystem connectivity, making these apps even more indispensable for wellness.
Current Trends: Integration of AI for personalized recommendations, increased focus on mental health, and gamification to enhance user engagement are becoming standard in 2025.