Kotlin Native is what you are looking for. Or maybe j2Objc One codebase for both platforms is not necessarily what you want though. Let me rephrase, it might

Kotlin Native is what you are looking for. Or maybe j2Objc One codebase for both platforms is not necessarily what you want though. Let me rephrase, it might be what you want for a pretty small app : if you have to create an app for a restaurant with orders and menu, a cross platform solution is probably the best use of your time. For anything bigger, it becomes a harder sell. All these solutions tend to have the same downsides : - limited access to new platform features. Especially damaging when Apple tells you that you are going to get featured if you do a Watch app but your SDK does not support that yet. - one design does not scale well to two platforms with different UX and features. - one more layer of abstraction to manage; making maintainability harder I think that there is clearly a space for a cross platform business logic framework though. It tends to be the same on both platform with minor differences. It is a pity that only j2objc seems to clearly target this. k2objc/swift would be awesome.