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RsyncUI vs ChronoSync: catalog facts
RsyncUI	ChronoSync
Free Free to download, with source code published on GitHub.	Paid $49.99 with a 15-day trial; a cheaper Express edition is on the App Store and Setapp.
macOS	macOS
Graphical setup of rsync tasks and their options Native SwiftUI interface on macOS	Syncs to drives, NAS, other Macs and selected cloud services Can create bootable backups
macOS only Depends on understanding rsync concepts to configure tasks well	macOS only Paid license, with ChronoAgent sold separately
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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