Sounds like Apportable: https://github.com/apportable https://github.com/apportable Our company used them for some games and other things. I once ported a UIKi

Sounds like Apportable: https://github.com/apportable https://github.com/apportable Our company used them for some games and other things. I once ported a UIKit app that used autolayout and was surprised at well it worked. They were acquired by Google IIRC.