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Trio Watchface

· v1.21
★★★★★ (1) ↓ 1,000 downloads 1 Free

About

Trio Watchface - originally conceived by Ivan Valkou, creator of FreeAPS-X. As there are many questions by users that are not on Trio Discord. This app needs Trio feature branch / garmin in order to work (https://github.com/nightscout/Trio/tree/feat/garmin) ! +++++ Important Notice: For informational purposes only. Designed to complement your diabetes management, not replace professional medical advice. Always consult your healthcare provider for treatment decisions. +++++ A completey offline functional watchface for comprehensive diabetes monitoring. Monitor glucose levels, insulin data, and loop status in a beautifully designed interface that combines traditional watch aesthetics with modern diabetes management AID technology. Needs iPhone companion app Trio (https://github.com/nightscout/Trio) installed and configured. KEY FEATURES: Glucose Monitoring • Large, easy-to-read glucose value • Trend arrow (↑↗→↘↓) • Delta showing change rate • Supports mg/dL and mmol/L • Visual stale data alerts Diabetes Metrics • Insulin on Board (IOB) • Carbs on Board (COB) • Temporary Basal Rate (TBR) • Eventual BG prediction • Insulin Sensitivity Factor (ISF) • Sensitivity Ratio • Loop status with last update time Health & Activity • Heart rate monitoring • Date and time display • Battery level indicator How It Works: Connects to the Trio iOS app on your paired iPhone. Receives glucose data, insulin information, and loop status updates every 5 minutes via Bluetooth, app to watchface directly. Garmin Connect could even be de-installed. True offline capabilities. Requirements: • Trio iOS app installed on iPhone • pair Garmin watch in Trio (only point in time, where Garmin Connect app is needed for data exchange) • Bluetooth connectivity Settings done in Trio app. Privacy & Security: Direct transmission from iPhone Trio app to watchface. No external servers and no interne connection required. Your diabetes data remains private and secure.

What's new

1.21 - adjust middle line alignment and Loop circle size --- 1.2 added older watch models and adapted screen layout for smaller display sizes --- 1.13 Refactors the 12-hour time formatting logic to correctly display midnight (0 hours) as 12 AM. --- 1.11, 1.12 - fix background exit --- 1.1 Glucose trend arrow turns green when you have a fresh reading, that's newer than your last loop — a quick visual cue that new BG data is available, even though loops fail (red). More reliable background sync with your phone. --- 1.02 - fix data choice from Trio settings

Permissions

BackgroundCommunicationsBluetoothLowEnergy

Details

Compatible with 201 devices
Updated Apr 14, 2026
Open on apps.garmin.com ↗