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FastCopy vs Grsync: catalog facts
FastCopy	Grsync
Freemium Free for personal use. A Pro licence is required for continued workplace use.	Free Free and open source under the GPL.
Windows	Windows, macOS, Linux
Noticeably faster than Explorer on large trees, with verification Mirror mode plus include and exclude filters for repeatable jobs	Saved sessions turn a long rsync command into a one-click job Simulation mode shows exactly what would change before running
Free for personal use; continued workplace use requires a Pro licence Terse interface with many options and little guidance	Exposes only a subset of rsync's options Interface is GTK and looks dated
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
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.