They (Chess King) have many apps that overlap in functionality, it can be a bit confusing... I think that probably they have a separate app for every course, bu

They (Chess King) have many apps that overlap in functionality, it can be a bit confusing... I think that probably they have a separate app for every course, but all the courses are also available in a single app. https://apps.apple.com/us/app/ct-art-4-0-chess-tactics/id1132601225 https://apps.apple.com/us/app/ct-art-4-0-chess-tactics/id113... https://apps.apple.com/us/app/chess-king-tactics-puzzles/id1305823239?l=en https://apps.apple.com/us/app/chess-king-tactics-puzzles/id1... PS. This app is also mentioned in this article/HN post: https://www.gautamnarula.com/how-to-get-good-at-chess-fast/ https://www.gautamnarula.com/how-to-get-good-at-chess-fast/ https://news.ycombinator.com/item?id=6791742 https://news.ycombinator.com/item?id=6791742