What is the best thing to use for creating a webapp that can also be an app for iOS and Android?

Answer 1

Android and IOS apps don’t use the same programming language. You may be able to make a web app using html and some language and then do some alterations to make an android app, but in order to get an IOS app you have to change languages.

Answer 2

looks like for children but has some features.
https://code.org/educate/applab

Answer 3

No, I mean actual code.

Answer 4

Ok, thanks