Presidents vs. Aliens is a great app for learning all sorts of facts about our American presidents. Learn the facts while protecting the planet from an alien invasion in this part-game, part educational app.
Star Speller, a spelling app for kids in kindergarten through second grade, has two games and a flashcard mode. Reasonably priced considering the features and content it offers.
SoGaBee’s Math Facts Fun is a universal app for learning and improving math fact skills in a fun and friendly environment.
Quick Math is a universal math app for improving addition, subtraction, multiplication and division skills. Kids will enjoy writing their answers on the screen.
Montessori Numbers contains multiple educational activities for kids ages 3-7 and is reasonably priced.
This is a very cute, simple and well designed flashcard app that is perfect for toddlers and preschoolers.
Yippee Cards is a cute flash card app with many sets that you can download for free.