3 ms·

It's already three: iPad, iPhone<5, iPhone5. Five if you count retina/non-retina variants. Still easy to deal with though.

• jeiting 14y ago
  Easy if you area are developing an app in UIKit. If you are an OpenGL 2D game developer every new resolution is a lot of work.
  • rimantas 14y ago
    Good point. I am the former, but may dabble with the latter :)