What do you use to create document from existing content on iPhone and iPad?

Curious how people currently handle this — do you have a system, or does it end up in a mess of files and folders?

I have created A4Pad because all the other notes app were to complex, subscription based or simply no secure. Therefore, I have created an app that stays local, Boomers proof.
Try the app, engage with me! Support my project to add future features.
Free for a limited amount of time!