Compare software

restic vs Tarsnap: catalog facts
restic	Tarsnap
Free Free and open source, with no paid edition.	Paid Prepaid usage billing at $0.25 per GB-month stored and $0.25 per GB transferred, with no…
Windows, macOS, Linux, Command line	macOS, Linux, Command line
One static binary with no server, agent or database to install first Content-defined chunking means daily backups only transfer what changed	Client-side encryption with keys only you hold Deduplication uploads only changed data
Command line only; any graphical interface or scheduling comes from third-party projects Still pre-1.0, so the project does not yet guarantee backward compatibility across major versions	Command line only, with no graphical interface No native Windows client, only Cygwin or WSL
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: BSD-2-Clause	License not stated
No account needed	Account needed
Works offline	Needs internet
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.