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FreeFileSync vs Beyond Compare: catalog facts
FreeFileSync	Beyond Compare
Free Free to download and use; the project runs on advertising and donations. A paid Donation…	Paid Paid license with a free trial.
Windows, macOS, Linux	Windows, macOS, Linux
Transfers only the differences between source and target instead of copying everything Saved jobs run unattended in batch mode, suitable for scheduled backups	Compares folders, text, images and tables Merges changes from two versions
The installer and the website carry advertising, and the download page pushes donations hard Some conveniences, including parallel file copying, are reserved for the paid Donation Edition	Paid after the trial Proprietary software
Downloadable app	Downloadable app
Open 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 September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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