Have you just purchased a Xiaomi smartwatch and don’t know which app to install for Android? or are you facing a synchronization problem? This article will look at everything about the official Mi Fitness app, from installation to hidden features, and will also talk about alternative solutions for different watch models.
Many users mistakenly search for an app called Mi Band or Xiaomi Wear, but modern smartwatches (such as Xiaomi Watch 2 Pro or Watch S3) require exactly Mi Fitness. We will explain in detail why this happened, how to avoid connection errors and what to do if the app does not see your watch.
At the end of the article, you'll find an FAQ with answers to frequent questions, a model compatibility table, and instructions for restoring communication if something goes wrong. Let's get it straight!
The official app for Xiaomi smart watches: Mi Fitness
Mi Fitness (formerly known as Mi Fit) is the only official app from Xiaomi that supports all of the brand’s modern smartwatches released after 2021.It replaces the legacy Mi Band and Wear OS by Google (which is only used for the Xiaomi Watch S1 Pro in some regions).
The annex allows:
- 📱 Set up dials and notifications
- 🏃♂️ Monitor exercise and health (pulse, sleep, SpO₂)
- 🔄 Sync data with Google Fit and Apple Health
- 🔋 Control the battery level
- 📊 View activity statistics for the week/month
Important: Mi Fitness is not compatible with a Wear OS watch (e.g., Xiaomi Watch S1 Pro in the European version), and requires Wear OS by Google, as we will discuss in the section on alternative applications.
⚠️ Note: If you download Mi Band instead of Mi Fitness, the watch may not connect. uninstall the old app before installing the new one!
How to install Mi Fitness on Android: step-by-step instructions
Installation of the application takes no more than 5 minutes, but there are nuances that few people know.
- Download the app from Google Play (official link) Avoid third-party sources - they may contain viruses.
- Register a Xiaomi account (if you don't have one) and use a valid email to send you a confirmation code.
- Turn on Bluetooth on your phone and allow Mi Fitness access to geodata (required for GPS to work correctly in the watch).
- Add the device: click Profile → Add the device → Smart watch and select your model.
If the watch is not detected:
Check if the watch is charged (minimum 20%)
Reboot Bluetooth on your phone (turn off/on)
Make sure the watch is paired (the Bluetooth icon should be on the screen)
Update the firmware of the watch through Settings → The phone. → Update of the PO-->
Xiaomi Watch 2 Pro and new models require additional confirmation on the watch itself – don’t miss the notification on their screen!
Xiaomi Watch 2 Pro
Xiaomi Watch S3
Xiaomi Watch S1 Pro
Redmi Watch 3
Another model-->
Compatibility of Mi Fitness with Xiaomi smart watches
Not all Xiaomi watches work with Mi Fitness, and below is the compatibility table for popular models (currently for 2026):
| Model clock | Supported annex | Features |
|---|---|---|
| Xiaomi Watch 2 Pro | Mi Fitness | Full support including GPS and NFC |
| Xiaomi Watch S3 | Mi Fitness | Requires firmware not lower than 1.7.85 |
| Xiaomi Watch S1 Pro (global version) | Wear OS by Google | Not compatible with Mi Fitness! |
| Redmi Watch 3 | Mi Fitness | Limited synchronization with iOS |
| Amazfit GTR 4 | Zepp (not Mi Fitness!) | Another brand, but often confused with Xiaomi |
If your model isn't in the table, check the official Xiaomi support site.For example, the Xiaomi Mi Watch Revolve (2020) requires an older version of the Mi Fit that is no longer updated.
⚠️ Note: Watch Xiaomi Watch S1 Pro in Chinese version work with Mi Fitness, and in the global version – with Wear OS. Check the box for the Wear logo OS by Google!
Alternative applications for Xiaomi smart watches
If Mi Fitness is not suitable for you (for example, due to regional limitations or lack of feature), consider these alternatives:
- 🌍 Wear OS by Google – for watches on the Wear platform OS (Xiaomi Watch S1 Pro global version. Allows you to install apps directly on your watch.
- 📊 Zepp is for Amazfit devices (not to be confused with Xiaomi!), but some features work with Redmi Watch.
- 🔧 Notify & Fitness (for Mi Band) is a third-party app with advanced notification settings!
- 📱 Mi Band Master – an alternative to old fitness bracelets (Mi Band) 3/4), but doesn't support smartwatches.
Warning: Third-party applications may:
- 🚫 Violate the privacy policy (access to personal data)
- 🔋 Quickly drain the battery of the watch
- 🛑 Stop working after the firmware update
💡
Before using third-party applications, back up your data to Mi Fitness (Section Profile → Backup).
Frequent Mi Fitness Problems and How to Solve Them
Even the official app sometimes fails, and here are the most common problems and solutions.
1.The app doesn't see the clock.
Check it out.
- 🔋 Charge level of the clock (minimum 15%)
- 📱 Bluetooth version on your phone (should be supported) BLE 5.0)
- 🔄 Reboot both devices
2. Data is not synchronized
Possible causes:
- 🌐 No Internet connection on your phone (required for cloud sync)
- 📅 The clock and phone show different times (check time zone)
- 🔧 Mi Fitness Settings Disabled Autosynchronization
3. Notifications don't come in on the clock
Decision:
- Enable notifications for Mi Fitness in your Android settings.
- In the app itself, go to Profile → Notifications → App Settings and select which notifications to duplicate.
- Check if they block the Do Not Disturb on the clock.
What if Mi Fitness asks you to update the firmware, but the update is suspended?
Hidden Mi Fitness features you didn’t know about
Many users have been using Mi Fitness for years, but are unaware of these features:
- 🎨 Creation of custom dials: in the section Dials → You can upload your own images (permission) 454×454 px for Watch 2 Pro).
- 📈 Export of data to CSV: Training and sleep statistics can be uploaded for analysis in Excel. → Settings → Export of data.
- 🔊 Voice reminders: the watch can sound notifications (only works on Chinese firmware).
- 🚶 Activity Auto-Detection: If you forgot to turn on the workout, the application itself recognizes walking / running (included in Settings). → Training. → Auto-tracking).
Some features require a Chinese firmware version to activate, for example, the Xiao AI voice assistant is only available on the Xiaomi Watch 2 Pro with firmware for China.
💡
To unlock hidden features, update the watch firmware through Settings → About Phone → Update the software to the latest version.
Mi Fitness vs Wear OS: Which is Best for Xiaomi Smart Watches?
If your watch supports both platforms (e.g. Xiaomi Watch S1 Pro), it’s worth comparing their features:
| Criteria | Mi Fitness | Wear OS by Google |
|---|---|---|
| Installation of third-party applications | ❌ No. | ✅ Yes (Google Play on the clock) |
| Integration with Google Services | ⚠️ Partial (only via Mi Fitness) | ✅ Full (Gmail, Maps, Assistant) |
| Autonomy | ✅ Up to 12 days (Watch 2 Pro) | ⚠️ 1-2 days (due to background processes) |
| Setting up dials | ✅ 100+ variant | ✅ Thousands on Google Play |
| NFC support for payment | ✅ Works with Mi Pay (China) | ✅ Google Pay (globally) |
The conclusion: Mi Fitness is suitable for those who value autonomy and simplicity, and Wear OS – users who need applications (for example, Spotify or Telegram) right on the clock.
If you’re choosing between the Xiaomi Watch 2 Pro (Mi Fitness) and the Watch S1 Pro (Wear OS), consider that the second model requires more frequent charging, but offers more customization options.