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Dia vs Maxthon: catalog facts
Dia	Maxthon
Freemium A free tier is available. Heavier use requires a paid plan.	Free Free to download and use. The software is closed source.
macOS	Windows, macOS
Assistant reads your open tabs, so questions do not need copy and paste	It carries its own notes tool, password manager and multi-model AI chat inside the browser, plus sync across…
macOS only and requires an account The assistant sends page content to a remote service, which has privacy implications	The browser is closed source, its owner is based in China, and past versions had a poor record…
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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