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Synology Cloud Sync vs GoodSync: catalog facts
Synology Cloud Sync	GoodSync
Free Runs as a package on a Synology NAS; the cloud storage services are billed separately by…	Paid A paid licence is required beyond a restricted free tier.
Self-hosted	Windows, macOS, Linux, Android, iOS
Works with Backblaze B2, Dropbox, Google Drive and OneDrive One-way or two-way sync with per-task schedules	Block-level transfer with versioning across a very wide set of back ends Jobs can trigger when a drive or device is connected
Requires a Synology NAS Closed source	Paid licence per user, with a restricted free tier Closed source
Self-hosted	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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