Can’t believe I didn’t find this two years ago.
Settings -> General -> Keyboard Then turn Caps Lock on.
To use it, click the caps button twice on the keyboard. When it turns blue, it’s on lock. Tapping it once still brings up caps for one character.
I'm a father, husband, entrepreneur, and UX pro. I like beer, cheese and sharp wit. Here, I write about s#!t I can't or won't say everywhere else I go.Follow at your own risk.