A curated listing of mature, production ready, commercial and open-source code that solves real-world requirements.
The Shmoopi Anti-Piracy Library is a static objective-c library that incorporates seamlessly into your iOS application to detect and protect against piracy and cracking. The library was designed from the ground up to identify which users are running your application without paying and prevent automated scripts from decrypting and debugging your applications.$19.99
System Services is a singleton class to gather all available information about a device. Over 75 methods to determine everything from: System uptime, Network Information, Battery Usage, Accelerometer Data, Disk Usage, Running Processes, Memory Usage, and a complete UDID replacement based on unchanging device information.FREE
Protects against in-app purchase bypass tools such as 'iAP Cracker', using a hosted receipt verification service$24.99+
DotLock implements the Android lock screen interaction on the iPhone and optionally captures a photo of unauthorized users entering wrong passwords.$49.99+