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croc vs Smash: catalog facts
croc	Smash
Free Free and open source under the MIT licence. A public relay is provided at no cost, and you…	Freemium Free to use, with premium plans that unlock more features.
Windows, macOS, Linux, Command line, Web	Android, iOS, Web
One command each side, with a code phrase instead of accounts or links End-to-end encrypted using PAKE, with no server holding a key	No sign-up needed to send files Password protection and expiry dates for transfers
Falls back to a public relay when a direct connection is impossible Anyone with the code phrase during the transfer window can take the file	Files are stored on the service's servers until downloaded Some options require a premium plan
Downloadable app, Web application	Downloadable app, Web application, Hosted service
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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