-- IOS 9.2 on development -- Working with auto layout and constraints for all iPhone device support -- Objective C and Swift 2.1 -- XCode 7.2 -- Cocoa / Cocoa Touch -- Social Networking Integration (Facebook, Twitter, Google plus, Instagram) -- Web Service Integration (SOAP API, REST API, JSON / XML) -- AFNetwork -- SQLite, MySql -- AVFoundation API / Camera API -- UIKit, Quartz Framework -- InAppPurchase Integration -- Apple Store Process -- Ad network integration, iAD, Google AdMob, Chartboost, Revmob, Everyplay -- Git, Bitbucket -- Third party integration (Parse, TokBox, PubNub)