Compare software

Cold Turkey BlockerBlockSite
Freemium

Free website blocker, with a paid upgrade for more features.

 Freemium

Free to start; BlockSite Premium is a paid subscription with a 30-day guarantee.

Windows, macOS Android, iOS, Browser extension
  • Blocks desktop apps as well as websites
  • Locked blocks that are hard to bypass
  • Blocks both websites and apps
  • Focus Mode for timed work sessions
  • Desktop only, no phone apps
  • Some features require the paid version
  • Some features require a paid Premium subscription
  • Closed-source commercial product
Downloadable app Downloadable app, Browser extension
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

Checked September 23, 2026

Checked September 23, 2026

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