# SFI Experimental iOS client for sing-box. #### Requirements * iOS 15.0+ * macOS 12.0+ with Apple Silicon #### Download * [TestFlight](https://testflight.apple.com/join/c6ylui2j) #### Note * User Agent in remote profile request is `SFI/$version ($version_code; sing-box $sing_box_version)` * Crash logs is located in `Settings` -> `View Service Log` #### Privacy policy * SFI did not collect or share personal data. * The data generated by the software is always on your device.