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OpaqueFiles vs Cryptomator: catalog facts
OpaqueFiles	Cryptomator
Free Free and open source under GPL-3.0.	Freemium The desktop apps are free and open source. The Android and iOS apps are paid, and…
Linux	Windows, macOS, Linux, Android, iOS
Supports ChaCha20-Poly1305 and AES-GCM-SIV encryption Can verify, check, and scrub encrypted files	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
Java is required	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
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 20, 2026

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