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Arc vs Horse: catalog facts
Arc	Horse
Free Free to download and use. The software is closed source.	Paid 14-day free trial, then USD 70 a year; a payment card is required for the trial.
Windows, macOS	Windows, macOS, Linux
Spaces keep work, personal and project browsing genuinely separate Split view and the command bar make keyboard-driven browsing fast	Trails keep every page linked to the one that led to it Lets you resume research sessions across days
The Browser Company has shifted its development focus to a newer browser, so Arc receives limited feature work No Linux build, and an account is required to use it	Annual subscription with a card required for the trial Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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 October 2, 2026

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