Compare software

BlockSiteDetoxDroid
Freemium

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

 Free

Free and open source under the GPL-3.0.

Android, iOS, Browser extension Android
  • Blocks both websites and apps
  • Focus Mode for timed work sessions
  • Calmer phone by default rather than opt-in timers
  • No payment or penalty mechanics
  • Some features require a paid Premium subscription
  • Closed-source commercial product
  • Android only
  • Less structured than apps built around usage limits
Downloadable app, Browser extension Downloadable app
Closed source Open source
License not stated License: GPL-3.0
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 October 2, 2026

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