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Kruptos 2 vs CryptSync: catalog facts
Kruptos 2	CryptSync
Paid Paid software with a free trial.	Free Free and open source.
Windows, macOS, Android	Windows
256-bit AES encryption for any file type Encrypted files open on Windows, macOS and Android	Keeps a plain folder and an encrypted folder in step automatically Works with any cloud sync client
Paid after the trial Closed source	Windows only Encrypts file by file rather than hiding folder structure in a container
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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