iOS Pick: Tinycards
Megan Morrone's app cap on iOS Today 305 is Tinycards from Duolingo. This is a flash cards app to help you learn about a variety of subjects, like science, geography, languages, and more. You can even learn Pokémon names using Tinycards, or just create your own decks.
Duolingo has turned this process into a game, where you can unlock new levels and keep a memory strength bar full. Tinycards uses smart learning techniques such as spaced repetition to help you master the material.