Compare software

1BlockerAdblock Plus
Freemium

Free tier available; full feature set requires a subscription.

 Free

Free and open source under GPLv3 or later.

macOS, iOS, Browser extension iOS, Browser extension
  • Blocking happens on-device rather than through a proxy server
  • Large built-in rule set with granular customization
  • Available for all major desktop browsers
  • Customizable filter lists
  • Limited to Safari rather than all browsers
  • Full rule customization requires the paid tier
  • The homepage leans on marketing claims rather than technical detail
  • Separate apps are needed for mobile browsers
Downloadable app, Browser extension Downloadable app, Browser extension
Closed source Open source
License not stated License: GPL-3.0-or-later
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 23, 2026

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