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Ortix vs Dia: catalog facts
Ortix	Dia
Freemium Free download for Mac; Ortix Pro is available through a Setapp subscription.	Freemium A free tier is available. Heavier use requires a paid plan.
macOS	macOS
On-device AI agent with no cloud use by default Native WebKit app with Spaces and split screen	Assistant reads your open tabs, so questions do not need copy and paste
macOS only Pro features require Setapp	macOS only and requires an account The assistant sends page content to a remote service, which has privacy implications
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account 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 September 22, 2026

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