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STranslate vs ScreenTranslate: catalog facts
STranslate	ScreenTranslate
Free Free and open source under the MIT licence; some translation services may need their own…	Free Free and open source under GPL-3.0.
Windows	macOS
Compares results from many translation services in one query Built-in OCR that works without a network connection	Translates text selected in other apps OCR captures text that cannot be selected
Windows only Website and documentation are mainly in Chinese	Requires macOS 15 or later Live subtitle translation is a beta feature
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	Not stated if an account is needed
Not stated if it works offline	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.