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StayFocusd vs Cold Turkey Blocker: catalog facts
StayFocusd	Cold Turkey Blocker
Free The site describes it as always free.	Freemium Free website blocker, with a paid upgrade for more features.
Browser extension	Windows, macOS
Daily time limits as well as outright blocking Nuclear Option for a full block over a set period	Blocks desktop apps as well as websites Locked blocks that are hard to bypass
Built for Chromium browsers such as Chrome and Edge The website uses advertising and analytics cookies	Desktop only, no phone apps Some features require the paid version
Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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