A direct spiritual successor to Cydia Impactor. It supports both free and paid developer accounts, works on Windows and macOS, and bypasses many common deployment errors automatically.
The most stable tool for modern iOS versions. It runs a local server on your computer to refresh apps automatically over Wi-Fi.
If you have tried the App-Specific Password and Revoke methods with no success, you must accept that cydia impactor error line 37
From the dropdown, select Insecure SSL .
is another modern sideloading solution. It runs as a background service on your computer (AltServer) and allows you to install and refresh apps directly from your iOS device. A direct spiritual successor to Cydia Impactor
If you must use Cydia Impactor, it still functions for users with a paid Apple Developer subscription. Check
Standard Apple ID passwords do not work well with third-party tools like Cydia Impactor when 2FA is active. It runs a local server on your computer
Ensure the IPA is compatible with the exact iOS version running on your device. Modern Alternatives to Cydia Impactor
Apple periodically changes its developer portal architecture, which can break Cydia Impactor completely until the tool's developer issues an update. Step-by-Step Solutions to Fix Error Line 37
In that case, your only option is to use an alternative sideloading tool (see Chapter 5) or to update your device to a version that is better supported (but note that updating may break jailbreak compatibility).
Cydia Impactor has not received regular updates from its developer (Saurik) to address Apple's major backend changes for free developer accounts. If the steps above do not work, consider using modern, actively maintained sideloading alternatives: