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

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