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Cryptomator vs OpaqueFiles: catalog facts
Cryptomator	OpaqueFiles
Freemium The desktop apps are free and open source. The Android and iOS apps are paid, and…	Free Free and open source under GPL-3.0.
Windows, macOS, Linux, Android, iOS	Linux
Works with cloud storage you already have rather than replacing it Encrypts file names as well as file contents with AES and a 256-bit key	Supports ChaCha20-Poly1305 and AES-GCM-SIV encryption Can verify, check, and scrub encrypted files
Mobile apps are separate paid purchases, unlike the free desktop apps A vault behaves like a virtual drive, so some apps that assume local files behave oddly	Java is required
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 8, 2026

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