Title is self-explanatory Which are the best crossword puzzle apps on IOS? (and why would be nice too, but not necessary)
Crossword? The thing we can find in a newspaper? https://itunes.apple.com/us/app/crosswords-classic/id284036524?mt=8
CRUX Crosswords. I've had it for years and still use it. I have gifted it to everyone I know who enjoys crosswords. It's has a beautiful and highly functional interface and does pretty much everything I could want it to do.