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HOP vs Polaris Office: catalog facts
HOP	Polaris Office
Free Free open-source desktop app.	Freemium Several AI models are offered free; paid plan details are not given in the research.
Windows, macOS, Linux	Web
Opens and edits both HWP and HWPX files Builds for macOS, Windows and Linux, including arm64 Linux	Opens HWP, PDF and Microsoft Office formats AI slide creation, translation and dictation
Windows builds are not yet code-signed and trigger security warnings The AppImage can be unstable on some Linux setups	Homepage focuses on AI tools rather than the office suite Pricing and platform details are unclear from the research
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
Not stated if an account is 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 1, 2026	Official website Full listing and sources Checked September 24, 2026

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