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CryptoSafe vs Simple Text Crypt: catalog facts
CryptoSafe	Simple Text Crypt
Free Free and open source under the MIT licence, with optional donations.	Free Free and open source under the GPL-3.0-or-later license.
Android	Android
Works fully offline with no network access AES-256-GCM with Argon2id key derivation	Encrypts plain text for storage or sharing Uses Argon2 with a random salt to derive keys
Encrypts text only, not files Small project with a single maintainer	The README advises against using it for serious data encryption
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
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 October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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