iOS3 years experience
Started iOS for fun in 2011, and 1 year later it became my profession. I have now 3 years+ experience in iOS (I worked on all iOS versions starting from iOS 5).
Objective-C2 years experience
I've developed 3 apps in objective-c, 2 of them were meant for adhoc distribution as a private enterprise app, and the other one in on the apple store...
Swift1 year experience
I've started developing apps in Swift in 2015, and I've made the switch from 1.4 to 2. here is an app I developed in Swift :