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openScale vs Gadgetbridge: catalog facts
openScale	Gadgetbridge
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, funded by donations.
Android	Android
Supports many Bluetooth smart scales without vendor apps No account required	Replaces proprietary companion apps for many wearables Supports a very wide range of device types
Android only Google Play version is offered as an open beta	Android only Some devices need extra pairing steps or vendor keys
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.