Fere fit

Fere fit (also written FereFit or Fere Fit) is a free smartwatch companion app developed by SHENZHEN ZHONGWEI INTELLIGENT INFORMATION TECHNOLOGY CO., Ltd. It connects your compatible budget smartwatch or smart band to your smartphone via Bluetooth 4.0+, then serves as your health dashboard and device manager. Key functions include: recording daily steps, distance, and calories; analyzing sleep quality; real-time heart rate monitoring; blood oxygen (SpO₂) tracking on supported devices; blood pressure estimates; forwarding call, SMS, and social app notifications (WeChat, QQ, Facebook, Twitter) to your watch; alarm and reminder management; anti-lost alerts; remote camera shutter control; and weather display. The app is free on both Android (Google Play, 5M+ downloads) and iOS (App Store).

To connect Fere fit to your watch: (1) Download Fere fit from Google Play (package: com.czw.freefit) or App Store (ID: 1481346033). (2) Enable Bluetooth on your phone and power on your smartwatch. (3) Open the Fere fit app and tap the device pairing section. (4) Select your watch from the scan results. (5) Confirm pairing on both devices. (6) Grant notification access permissions when prompted. Once connected, Fere fit will continuously sync health data and push notifications from your phone to your watch. Keep both devices within Bluetooth range (approximately 10 meters) for stable operation.

Common Fere fit connection issues and fixes: (1) Bluetooth disabled — make sure Bluetooth is on. Force-close and reopen the app. (2) Device out of range — keep phone and watch within 1–2 meters during initial pairing. (3) Cache/data issue — go to phone Settings > Apps > Fere fit > Storage, clear cache and data, then relaunch. (4) iOS update conflict — after major iOS updates, remove the watch from both Fere fit and your phone's Bluetooth settings, then re-pair. (5) App out of date — update Fere fit from the Play Store or App Store. (6) Restart both devices — power off both phone and watch, restart, then try pairing again. If problems persist, try uninstalling and reinstalling the app.

Fere fit is designed for a wide range of third-party budget smartwatches and smart bands that list Fere fit as their companion app. Known compatible device families include: Zhongke Lanxun series, Jerry K11 series, WS-series watches (such as WS-X9 Ultra), and many other budget smartwatches sold under various brand names. The best way to confirm compatibility: check your watch's packaging or setup guide — if it shows a QR code pointing to Fere fit or mentions 'download Fere fit,' this app is the correct companion for your device. Note that Fere fit is not compatible with Apple Watch, Samsung Galaxy Watch, or other brand-exclusive ecosystems.

Yes, Fere fit is free to download on both Android (Google Play) and iOS (App Store). The app contains advertisements and offers optional in-app purchases. Core health tracking features — step counting, sleep monitoring, heart rate, SpO₂, notifications, alarm management, and device settings — are all available at no cost. In-app purchases may unlock additional features or remove ads depending on the app version.

To receive phone notifications on your watch through Fere fit: (1) Open Fere fit and ensure your watch is connected. (2) Go to the notification settings section in the app. (3) Toggle on the types of notifications you want forwarded (calls, SMS, WeChat, QQ, Facebook, Twitter, and other apps). (4) On Android, grant notification access permission if prompted (Settings > Notification Access > Fere fit). (5) On iOS, allow notifications in system Settings > Fere fit. Once set up, incoming calls, messages, and app alerts will be pushed to your watch. Note: some notification features may be limited on iOS due to system restrictions compared to Android.

Fere fit health data (steps, heart rate, SpO₂, sleep, blood pressure) relies on optical and accelerometer sensors inside your compatible smartwatch. These are consumer-grade wellness sensors — they provide useful reference data for tracking daily activity trends, but they are not medical-grade instruments. Accuracy is affected by wrist position, skin tone, movement, and individual variations. Steps and calorie tracking offer reasonable relative accuracy for daily goal-setting. Heart rate readings during moderate activity are generally reliable. SpO₂ and blood pressure estimates should be used only as rough indicators, not for medical decisions. Always consult a healthcare professional for medical concerns.

Yes. Fere fit provides sleep tracking through compatible smartwatches. Wear your watch while sleeping to automatically capture sleep data, which is then synced to the Fere fit app when you wake up. The app shows total sleep duration and provides a sleep quality analysis. For best results: keep your phone and watch Bluetooth-connected overnight, wear the watch snugly on your wrist (but not too tight), and charge your watch before sleeping if battery is low. Sleep data is displayed on the app's health dashboard and can be reviewed for daily and weekly trends.

Yes. On iOS, Fere fit integrates with Apple Health (HealthKit), allowing health data from your smartwatch to be synced into Apple's centralized health dashboard. To enable the sync: open Fere fit > Settings > find the Apple Health sync option > authorize the connection. Once authorized, step data and other supported health metrics will appear in Apple Health alongside data from other devices and apps. This is useful for users who want to consolidate health data from multiple sources in one place.

If Fere fit is consuming excessive battery on your phone or watch: (1) On your phone, restrict Fere fit background activity in battery settings and disable always-on location if not needed for weather. (2) On your watch, reduce the frequency of heart rate and SpO₂ measurements if continuous monitoring is draining watch battery quickly. (3) Ensure the app is updated to the latest version, as updates often include battery optimizations. (4) If using Android, disable battery optimization exceptions for Fere fit only if you need reliable background data sync — otherwise, standard battery management can limit background sync. On iOS, background app refresh settings affect how often Fere fit updates data.