Swift or Java

Question

iOS apps or Android Apps

Answer 1

It depends on what ecosystem you want to build apps for.
Swift for iOS and java/kotlin for android. By the way, google just chose kotlin as their language of choice to build their apps from now on. However, learning java is still useful since many apps still use it.

Answer 2

https://www.sololearn.com/post/792046/?ref=app

Answer 3

It's really your choice