Question: what app do gacha tubers use to edit?
Answer: For picture editing (Gacha edits) , I would really going with : 1-GIMP (Also known as :GNU Image Manipulation program) , it is only available for PC Users (Windows,MacOS,Linux,OpenBSD) , there is a version for Android users , it is called “GIMP Inkscape) although it is really an outdated app , but it still works.