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Offline Translator vs SimplyTranslate Mobile: catalog facts
Offline Translator	SimplyTranslate Mobile
Free Free and open source under GPL-3.0-or-later.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Translation runs on-device after models are downloaded Image translation overlay that preserves formatting	Supports 108 languages with text-to-speech Translate button in the text selection toolbar
Language models must be downloaded before use Language coverage limited to the available Firefox models	Needs an internet connection, since translations come from Google Translate Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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