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Amazfish vs Gadgetbridge: catalog facts
Amazfish	Gadgetbridge
Free Free and open source.	Free Free and open source, funded by donations.
Linux	Android
Brings smartwatch support to Sailfish OS and Linux phones Supports several Huami devices and the PineTime	Replaces proprietary companion apps for many wearables Supports a very wide range of device types
Limited to the supported watch models Installing it on Sailfish OS requires adding the chum repository	Android only Some devices need extra pairing steps or vendor keys
Downloadable app	Downloadable app
Open source	Open source
License not stated	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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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