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GoodSync vs Unison: catalog facts
GoodSync	Unison
Paid A paid licence is required beyond a restricted free tier.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux
Block-level transfer with versioning across a very wide set of back ends Jobs can trigger when a drive or device is connected	Handles updates made independently on both replicas
Paid licence per user, with a restricted free tier Closed source	Conflicting edits may require a decision before synchronization.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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