For all I know there is something like that, but it'll be buried in settings, probably in accessibility, where nobody ever goes.

Discoverability of options on the iPhone is fraught with danger and distrust, I learned about CarPlay widgets a few days ago and I've used it for years.

https://www.youtube.com/watch?v=-rUminiQjtM

From my limited experience, Apple often denies the obvious for the sake of asthetics.

For example, the simple utility of a [Backspace] key.