Using an iPhone as a main fitness tracker is simple, effective, and flexible. Whether tracking daily steps, monitoring heart rates, or analyzing sleep patterns, choosing the right iOS health app makes reaching personal goals much easier.
Below is a breakdown of top iPhone fitness tracking apps, including built-in tools, premium options, and 37CELLS.
Top iPhone Fitness Tracking Options Compared
Feature / App | Apple Fitness & Watch | Fitbit | 37CELLS |
Price | Free App / High Hardware Cost | Free App / Paid Premium Tier | 100% Free |
Core Tracking | Steps, HR, ECG, Workouts | HR, Sleep, Workouts | Activity, HR, Sleep, Nutrition |
Peer Benchmarking | Basic Sharing | Community Groups | Age & Gender Peer Comparison |
Visual Progress | Activity Rings | Charts & Badges | Training Data Photo Overlays |
Cross-Platform | iOS Only | iOS & Android | iOS & Android |
Highlights of Leading iPhone Health Apps
- 37CELLS App
- Cost: 100% Free for iOS and Android.
- Peer Comparison: Compare fitness performance directly against people in your age and gender group.
- Photo Overlays: Layer workout stats over photos to easily share progress with friends.
- Full-Spectrum Tracking: Monitors activity, heart rate, sleep, and nutrition in one dashboard.
- Learn more about custom options on our Software page or review overall Features.
- Apple Fitness & Apple Watch
- Cost: Free pre-installed iOS app (Apple Watch hardware sold separately).
- Comprehensive Metrics: Tracks heart rate, workouts, daily movement rings, and ECG readings.
- Best For: Users deeply embedded in the Apple ecosystem who want direct hardware integration.
- Fitbit for iPhone
- Cost: Free base app with optional paid subscription.
- Community Focus: Connect with friends for challenges and step competitions.
- Sleep & Activity: Strong night sleep tracking and day-to-day metric logging.
Why Choose 37CELLS for iPhone?
- Budget-Friendly: Access full health insights without paying high hardware costs or monthly subscription fees.
- Data-Driven Motivation: Benchmarking against demographic peers provides clear context for fitness levels.
- Simple Sharing: Create visual photo cards of daily stats with one tap.
Explore related insights on our Blog, read our post on Technological Integration in Healthcare, or check your personalized status with Do You Know Your Health Age?. If you have questions, feel free to Contact Us.
Frequently Asked Questions
Yes. Modern iPhones include built-in motion sensors that track steps, distance, and flights of stairs climbed. Paired with apps like 37CELLS, you can log activities, track nutrition, and monitor health metrics without buying extra hardware.
Yes. The built-in Fitness app on iPhone is completely free to use for basic step and activity tracking. However, unlocking features like ECG monitoring or continuous heart rate tracking requires an Apple Watch.
37CELLS uses anonymized health data grouped by age and gender. It allows you to see how your activity levels, heart rate, and sleep metrics align with demographic averages for realistic goal setting.
While a fitness tracking app cannot replace exercise equipment, it provides structure, progress monitoring, and motivation. Many users achieve target fitness levels at home using bodyweight exercises paired with app tracking.
Yes. 37CELLS is fully compatible with both iOS and Android devices. It ensures seamless cross-platform functionality regardless of what device your family or friends use.
