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