| Apple Watch (SE / Series / Ultra) | Garmin Venu 4 | |
|---|---|---|
| Score | 35/100 (Fair) | 68/100 (Good) |
| Official API ⚡ | Via phone health platform (5/25) | Partner/business only (10/25) |
| Data export ⚡ | Full account export (15/25) | Local raw files (25/25) |
| Gadgetbridge / open firmware ⚡ | Not supported (0/20) | Partial (10/20) |
| Home Assistant ⚡ | None (0/15) | Community (HACS) (8/15) |
| Subscription | Not needed (15/15) | Not needed (15/15) |
| Subscription | None | Connect+ 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
Garmin Venu 4
Garmin's AMOLED lifestyle watch. Same data story as other Garmins: activities and health data sync as FIT files you can copy off the watch, Garmin Connect lets you export, the Connect Developer Program is for approved business partners, and Home Assistant support is community-made. Gadgetbridge lists the Venu 4 among supported Garmin devices; we rate it partial until feature coverage is confirmed. Garmin Connect+ is optional; core features don't need it.
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.
📬 The Data Ownership Digest
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