wBlock vs helium

Safari content blocking and a Chromium browser compared

wBlock is a Safari content blocker for Apple devices, combining filter lists with userscripts and site-level controls. helium is a privacy-focused Chromium-based browser with built-in ad-blocking; the main difference is that wBlock extends Safari, while helium is a browser in its own right.

wBlockhelium
LanguageSwiftC++
LicenseGPL-3.0GPL-3.0
Stars3k21.2k
Forks61608
Last analyzedOct 6, 2026Oct 3, 2026

Key differences

  • wBlock filters content within Safari on Apple platforms; helium is a Chromium-based browser for everyday web use.
  • wBlock compiles AdGuard-syntax filter lists into five Safari content blockers and includes a separate scripts extension; helium builds on ungoogled-chromium and incorporates patches from other browser projects.
  • wBlock offers userscripts, UserCSS themes, per-site controls, and an element zapper; helium emphasizes privacy, ad-blocking, and a less cluttered browser experience.
  • wBlock is written in Swift, while helium is written in C++; both use GPL-3.0.
  • wBlock is not archived; helium is in beta, and its platform packaging is maintained in separate repositories.
  • wBlock is aimed at Safari users across Apple devices; helium targets users seeking Chromium compatibility, with macOS as its primary development platform.

Choose wBlock if you…

  • need ad and tracker filtering in Safari across Apple devices.
  • want userscripts, UserCSS themes, or per-site filtering controls in Safari.
  • want to inspect compiled filter rules and identify unsupported rules.
Read the wBlock analysis →

Choose helium if you…

  • want a Chromium-based browser with a privacy focus and built-in ad-blocking.
  • prefer a simpler browser experience with less visual clutter.
  • want to try or contribute to a Chromium-derived browser that is still in beta.
Read the helium analysis →

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This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.