Using a of a free app exists in a gray area. Set Edit’s original developer (j4velin) offers the app for free with ads as a way to support development. Downloading a modded version that removes ads and unlocks "Pro" features without paying (where a paid version doesn't even officially exist) deprives the developer of potential revenue.
Downloading Modded APKs: A Simple Guide For Android Users - Ftp Set Edit Pro Mod Apk
The application functions as a code-level editor for system, secure, and global tables, presenting settings as key-value pairs . SetEdit: Settings Editor - Apps on Google Play Using a of a free app exists in a gray area