Is there any option to develop app without using Android studio??

Answer 1

Yes, of course. There are many alternatives to Android Studio: [https://alternativeto.net/software/android-studio/#]

Answer 2

You can develop android apps from your android device using AIDE.
https://play.google.com/store/apps/details?id=com.aide.ui

Answer 3

mit wrote an interactive program for writing android code app inventor