| Garmin vívoactive 5 | Polar Vantage V3 | |
|---|---|---|
| Score | 78/100 (Great) | 55/100 (Good) |
| Official API ⚡ | Partner/business only (10/25) | Open API (25/25) |
| Data export ⚡ | Local raw files (25/25) | Full account export (15/25) |
| Gadgetbridge / open firmware ⚡ | Supported (20/20) | Not supported (0/20) |
| Home Assistant ⚡ | Community (HACS) (8/15) | None (0/15) |
| Subscription | Not needed (15/15) | Not needed (15/15) |
| Subscription | Garmin Connect+ (optional, not needed) | None |
⚡ = where they differ.
Garmin vívoactive 5
Garmin's best-selling everyday smartwatch has the usual Garmin data story: FIT files you can copy off the watch, Gadgetbridge rates it "mostly supported" for fully offline use, a community Home Assistant integration, and an official API for approved businesses only. Garmin Connect+ is optional.
API · Export · Home Assistant
Polar Vantage V3
Polar AccessLink is a public API you can register for. Data is exportable from Polar Flow. No subscription. Gadgetbridge supports only Polar's HR straps.
API · Export · Home Assistant
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Scores come from each device's cited sources, last verified 2026-10-20. See how we score.
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