The team at @Square have released another amazing tool for native iOS development.
PonyDebugger is a remote debugging toolset. It is a client library and gateway server combination that uses Chrome Developer Tools on your browser to debug your application's network traffic and managed object contexts. To use PonyDebugger, you must implement the client in your application and connect it to the gateway server. There is currently an iOS client and the gateway server.
Here's a couple screenshots to get you as excited as I am:
(Remember, though it visually resembles debugging a web page, this is all depicting a debugging session of a native iOS application's HTTP requests and CoreData storage!)
Network Traffic Debugging
Core Data Browser