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Experimental macOS client for sing-box.


  • macOS 13.0+
  • An Apple account outside of mainland China (App Store Version)

Download (App Store Version)

Download (Independent Version)

  • GitHub Release
  • Homebrew (Cask): brew install sfm
  • Homebrew (Tap): brew tap sagernet/sing-box && brew install sagernet/sing-box/sfm


  • User Agent in remote profile request is SFM/$version ($version_code; sing-box $sing_box_version)
  • Crash logs is located in Settings -> View Service Log

Privacy policy

  • SFM did not collect or share personal data.
  • The data generated by the software is always on your device.