How to detect that the app is running on a jailbroken device? [duplicate]

Answer 1

You can detect if a device is jailBroken or not by checking the following

1. Cydia is installed
2. Verify some of the system paths
3. Can perform a sandbox integrity check
4. Perform symlink verification
5. Verify whether you create and write files outside your Sandbox

There is an open source library I created from various articles and books, try it out.