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.
Score breakdown
Official APIOpen API · 25/25
Data exportLocal raw files · 25/25
Gadgetbridge / open firmwareSupported · 20/20
Home AssistantNone · 0/15
SubscriptionNot needed · 15/15
Quick answers
Head-to-head
Bangle.js 2 vs Garmin Forerunner 165
Bangle.js 2 vs Garmin vívoactive 5
Amazfit Bip 6 vs Bangle.js 2
Bangle.js 2 vs Garmin fēnix 8
Apple Watch (SE / Series / Ultra) vs Bangle.js 2
Bangle.js 2 vs Huawei Watch GT 5
Sources
Last verified 2026-10-20. See how we score.
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