I am 5 years experienced in IOS and Android application!
As I dont like bugs, and also your end user do!!
Hint: For any type of errors, bug, crash then order!
I use Swift 5, xCode 13.0, MVC architecture and all other latest trends of IOS development. And for Android development I have a lot of technology stuffs in my stack like Kotlin/Java, RxJava, Dagger 2, MVP architecture, Retrofit 2, Room Database, Sqlite Database, Firebase, Data binding and lot more.
What I do: