Is this still the case that you don't accessibility (on iOS) if you don't use native widgets?

Isn't there a way to "publish", "expose" say text and other information to the system? I believe for example Windows has this, and Qt on the desktop can use it (although there were still complaints, that some really popular brand of braille reader was not working).

Simply curious, as long time ago I was heavy proponent of native only widgeting systems (like wxWidgets), but lately in favour of self-drawn one, but imitating the interface (like Qt).