Here’s an example where monospaced font in Bike doesn’t work correctly:
The text in both fonts is the same. In this case, I’m using stacked diacritics, and as you can see they don’t display correctly in the font, at least in Bike. Which font is being used? I could try and see if it displays correctly in other apps with that font too.
Incidentally, I had to paste the examples into Bike, as described in my other post: Crash when typing decomposed Unicode characters/diacritics 