While the original requires a paid Apple developer account, tools like AltStore or Sideloadly are widely used to install IPA files on non-jailbroken devices.
Historically, was the primary digital marketplace and package manager for jailbroken iOS devices. Created by Jay Freeman (Saurik), it allowed users to browse, download, and install themes, tweaks, and applications that were not authorized by Apple. Cydia relied entirely on a jailbreak to gain root access to the iOS file system. What is an IPA File? cydia ipa file
If your device is already jailbroken and has Cydia installed: Download the directly to your iOS device. While the original requires a paid Apple developer
The Ultimate Guide to Cydia IPA Files: Installing Tweaks and Apps in 2026 Cydia relied entirely on a jailbreak to gain
Once the installation is complete, the app icon will appear on your home screen. However, if you try to open it immediately, you will likely see an "Untrusted Developer" error. To fix this: