Impactor

Impactor is a free iOS and macOS app-signing and installation utility created by Jay Freeman (saurik), widely used by iOS developers and jailbreak enthusiasts to deploy unsigned apps, custom builds, and modified versions of applications to real devices without a paid Apple Developer account. It handles the cryptographic signing process, manages provisioning profiles and certificates, and streamlines the workflow of testing apps on physical iPhones and iPads. Power users in the iOS development community have relied on it as an alternative to Xcode's official deployment mechanisms.</description> <parameter name="recommendation">Impactor has not been actively maintained since around 2018, with no updates or official communication from the developer in several years. There is no publicly available information indicating a native Apple Silicon build exists, and the original download infrastructure has become unstable. The app will stop launching entirely when Apple removes Rosetta 2 in macOS 28 (late 2027), giving you approximately 18 months to migrate your workflow. If you are still using Impactor for iOS development, consider switching to Xcode's native signing and deployment features, which are actively maintained, run natively on Apple Silicon, and integrate seamlessly with modern iOS development workflows. For jailbreak-related use cases, community alternatives like AltStore or Sideloadly may meet your needs, though these also depend on their own active development. Contact the Impactor developer directly if you have critical apps that depend on it, but be prepared that the project may not receive a response given its apparent dormancy.