This minutes-taking, advanced filtering/sorting/favoriting, song management and dynamic quiz app came about through my involvement in the shapenote singing community in Bristol (UK). When Swift first was released I needed a project to learn it with, and this was it. If you're interested in looking at the code, I'm particularly happy with the dynamic generation of quiz items, as many singers are impressively knowledgable about the minutae of the book and enjoy testing themselves.

Code on Github

100% Swift
75% Unit Tests