Which language is best to learn for making apps

Question

Which languages are used in making apps. i want to make my own app. Which is best i should start learning and how much much time should it take be a professional app developer.

Answer 1

python,java,sql

Answer 2

You should learn Python, Java, lua and swift.

Answer 3

Android or IOS development

Answer 4

Java/Kotlin and then Android. Forget Python for making professional apps. It's not its purpose.

Answer 5

java

Answer 6

in my view c++