| Apple Watch (SE / Series / Ultra) | Withings ScanWatch 2 | |
|---|---|---|
| Score | 35/100 (Fair) | 63/100 (Good) |
| Official API ⚡ | Via phone health platform (5/25) | Open API (25/25) |
| Data export | Full account export (15/25) | Full account export (15/25) |
| Gadgetbridge / open firmware | Not supported (0/20) | Not supported (0/20) |
| Home Assistant ⚡ | None (0/15) | Official integration (15/15) |
| Subscription ⚡ | Not needed (15/15) | Optional (8/15) |
| Subscription | None | Withings+ (optional) |
⚡ = where they differ.
Apple Watch (SE / Series / Ultra)
No cloud API; data stays in HealthKit on your iPhone, readable by apps you authorise. The Health app can export all health data as an archive.
API · Export · Home Assistant
Withings ScanWatch 2
Public Withings developer API and an official Home Assistant integration. Gadgetbridge supports only the older Steel HR, not ScanWatch. Withings+ is optional.
API · Export · Home Assistant
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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
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