[codesternews]

In 2017 also you should choose Swift. Swift 4 ABI is very stable(hopefully, I know they are messing some core things with Swift 5 but... ah)

Swift is great language. Apple is also moving their inbuilt apps and frameworks to Swift. No doubt objective-c is compatible but you should choose Swift for sure in 2018.

Reasons:

1) Preferred by apple.

2) Great Community.

3) You will find lots off tutorials and help (after iOS8 etc) in swift.

4) Great language adopted many modern language semantics.

5) It's Swift era.

No doubt, Objc is great language and I have worked many years in it. But when you write the code in Swift language it feels really great and you will find your code less buggy because of many feature provided by Swift (Swift compiler assume you are dumb).

Go for Swift.