AppMatic Tech engineers fitness wearable companion apps in Flutter, with Bluetooth Low Energy device sync, workout and activity tracking, and integration with Apple Health and Google Fit. Users pair a wearable and see metrics on iOS and Android from one codebase. 330+ products shipped since 2017.
A wearable companion app lives or dies on a reliable BLE connection and clean metric display. AppMatic Tech builds the Flutter app around a stable Bluetooth Low Energy layer and syncs data into the platform health stores users already trust.
Mobile App Development Stack for Fitness
| Layer | What AppMatic Tech uses |
|---|---|
| Cross-platform UI | Flutter (Dart) for iOS and Android |
| Device link | Bluetooth Low Energy (BLE) pairing and sync |
| Health data | Apple HealthKit and Google Fit integration |
| Tracking | Workout, activity, and trend views |
| Backend | Node.js API, user profile and history |
How AppMatic Tech Delivers This
- Build reliable BLE pairing and background sync with the wearable.
- Model workout and activity data with clear trend views.
- Integrate Apple Health and Google Fit for a unified record.
- Add goals, streaks, and notifications for engagement.
- Test across devices and deliver with a support SLA.
Proof: Related AppMatic Tech Build
A fitness product where AppMatic Tech connected wearable sensor data to a mobile experience.
Frequently Asked Questions
- How does the companion app connect to a wearable?
- AppMatic Tech builds a Bluetooth Low Energy layer that pairs with the wearable and syncs readings in the background, so metrics stay current without the user keeping the app open.
- Does it integrate with Apple Health and Google Fit?
- Yes. AppMatic Tech integrates the Flutter app with Apple HealthKit and Google Fit, so wearable data joins the platform health record the user already relies on.
- Why Flutter for a wearable companion?
- AppMatic Tech uses Flutter so one codebase serves iOS and Android with consistent metric views, while native BLE plugins handle the device connection on each platform.
Further reading: How to Build a Screenless Fitness Tracker App Like WHOOP or Fitbit Air