iOS 13 (and iPadOS) fixed the frustrating text-selection tools on the iPhone and iPad, but only if you know how to use them. Selecting a single word or sentence is still way easier on a Mac, because you have a mouse and keyboard permanently attached. On the iPad, though, you can still find the text selection slipping and jumping like an oiled fish.
Use these iPhone and iPad text-selection tips to highlight words and paragraphs the easy way in iOS.