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Simple Text Crypt vs Salty: catalog facts
Simple Text Crypt	Salty
Free Free and open source under the GPL-3.0-or-later license.	Free Free and open source under the MIT licence.
Android	Android
Encrypts plain text for storage or sharing Uses Argon2 with a random salt to derive keys	AES-256-GCM encryption with PBKDF2 key derivation Works offline and keeps history on the device
The README advises against using it for serious data encryption	Both sides must exchange the shared key securely beforehand Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
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 October 2, 2026

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