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Bob vs NextAI Translator: catalog facts
Bob	NextAI Translator
Freemium Distributed through the Mac App Store; check the store for current pricing.	Free Free and open source; you pay your chosen AI provider for API usage.
macOS	Windows, macOS, Linux, Browser extension
Translates selected text, screenshots and typed input Over 30 translation services, usable side by side	Translate selected text directly in the browser Desktop app for Windows, macOS and Linux
macOS only Documentation and site are mainly in Chinese	Needs an API key and internet connection for an AI provider Renamed from OpenAI Translator, so older guides use the old name
Downloadable app	Downloadable app, Browser extension
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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