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Shift vs Donut Browser: catalog facts
Shift	Donut Browser
Freemium A limited free tier is available. More accounts and spaces require a paid subscription.	Freemium Free and open source with unlimited local profiles; a paid Pro tier adds features.
Windows, macOS, Linux	Windows, macOS, Linux
Several accounts of the same service signed in at once, separated by space	Unlimited isolated local profiles Per-profile fingerprints, proxies and WireGuard VPN
Most spaces and account slots require a paid plan Closed source and memory-hungry	Some features require the paid Pro tier Multi-accounting may break the terms of service of some sites
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
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 October 1, 2026

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