I maintain a flashcards app (called AnkiDroid), it is open source so various users contributed the Japanese UI localization.
Unfortunately, for the term "flashcards deck" (a file containing a number of cards about a particular topic), there seems to be two schools of thought: Some are using デッキ while others are using 単語帳.
For the sake of consistency, I must choose one, but I have no idea which is better.
Which one would you keep?