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Carbon Copy Cloner vs RsyncUI: catalog facts
Carbon Copy Cloner	RsyncUI
Paid Paid software with a free 30-day trial and a household licence option.	Free Free to download, with source code published on GitHub.
macOS	macOS
Flexible scheduling, including on detected changes Filter rules with a preview of what will be copied	Graphical setup of rsync tasks and their options Native SwiftUI interface on macOS
macOS only Paid after the 30-day trial	macOS only Depends on understanding rsync concepts to configure tasks well
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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