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Bob vs STranslate: catalog facts
Bob	STranslate
Freemium Distributed through the Mac App Store; check the store for current pricing.	Free Free and open source under the MIT licence; some translation services may need their own…
macOS	Windows
Translates selected text, screenshots and typed input Over 30 translation services, usable side by side	Compares results from many translation services in one query Built-in OCR that works without a network connection
macOS only Documentation and site are mainly in Chinese	Windows only Website and documentation are mainly in Chinese
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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