Compare software

Orion vs Zen Browser: catalog facts
Orion	Zen Browser
Free Free to download and use. The software is closed source.	Free Free and open source, funded by donations.
macOS, Linux, iOS	Windows, macOS, Linux
It is the only WebKit browser that runs extensions from all three major stores, and it ships with…	Vertical tabs, workspaces and split view built in, no extensions needed Firefox engine, so Firefox extensions and containers work
The browser is closed source, the extension compatibility layer does not work for every add-on, and it is…	Young project; interface changes between releases and bugs surface A small team maintaining a Firefox fork is a real long-term risk
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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