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Horse vs Arc: catalog facts
Horse	Arc
Paid 14-day free trial, then USD 70 a year; a payment card is required for the trial.	Free Free to download and use. The software is closed source.
Windows, macOS, Linux	Windows, macOS
Trails keep every page linked to the one that led to it Lets you resume research sessions across days	Spaces keep work, personal and project browsing genuinely separate Split view and the command bar make keyboard-driven browsing fast
Annual subscription with a card required for the trial Closed source	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
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 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.