Amazfit Balance vs Bangle.js 2: which lets you own your data?

Bangle.js 2 scores higher for data ownership (85 vs 53). They differ on official api, subscription.

Amazfit BalanceBangle.js 2
Score53/100 (Good)85/100 (Great)
Official API ⚡No API (0/25)Open API (25/25)
Data exportLocal raw files (25/25)Local raw files (25/25)
Gadgetbridge / open firmwareSupported (20/20)Supported (20/20)
Home AssistantNone (0/15)None (0/15)
Subscription ⚡Optional (8/15)Not needed (15/15)
SubscriptionZepp Aura (optional)None

⚡ = where they differ.

Amazfit Balance

Supported by Gadgetbridge (requires extracting an auth key once), so you can use it fully offline. No public personal API. Zepp Aura is an optional subscription.

API · Export · Home Assistant

Bangle.js 2

Open-source, hackable JavaScript smartwatch. Full Gadgetbridge support and no account at all. The gold standard for data ownership, traded off against polish and sensors.

API · Export · Home Assistant

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Amazfit Balance vs Garmin Forerunner 165

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Bangle.js 2 vs Garmin fēnix 8

Open in the interactive compare tool

Scores come from each device's cited sources, last verified 2026-10-20. See how we score.

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