| Dexcom G7 (CGM) | Polar H10 (chest strap) | |
|---|---|---|
| Score | 55/100 (Good) | 85/100 (Great) |
| Official API ⚡ | Partner/business only (10/25) | Open API (25/25) |
| Data export ⚡ | Full account export (15/25) | Local raw files (25/25) |
| Gadgetbridge / open firmware ⚡ | Not supported (0/20) | Supported (20/20) |
| Home Assistant ⚡ | Official integration (15/15) | None (0/15) |
| Subscription | Not needed (15/15) | Not needed (15/15) |
| Subscription | None | None |
⚡ = where they differ.
Dexcom G7 (CGM)
Developer API for approved apps; Clarity reports and exports; official Home Assistant integration via Dexcom Share. Medical device: never rely on DIY integrations for treatment decisions.
API · Export · Home Assistant
Polar H10 (chest strap)
Broadcasts standard Bluetooth heart-rate data any app can read, with no account needed. Supported by Gadgetbridge.
API · Export · Home Assistant
Open in the interactive compare tool
Scores come from each device's cited sources, last verified 2026-10-20. See how we score.
📬 The Data Ownership Digest
Occasional email: API changes, export deadlines, and new scorecards.
Placeholder: signup isn't connected yet. No email is stored.