Quirky cartoons and audio make learning words fun.
Colorful app offers solid practice; could be more engaging.
Handy math reference gives bite-sized explanations.
Comprehensive, fee-based math program has some rough edges.
Gorgeous, captivating puzzle game will draw you in.
Voice recognition surprisingly good, but not perfect.
Millions of user-generated flashcard sets; some can be iffy.
Angry Birds clone adds tricky 3-D twist; some violence.
Tetris-like word app wins with clever concept, snarky humor.
Useful study tool's online database has some iffy content.
Simulated social network teaches savvy online sharing.
Vocabulary-building word puzzle game shines on iOS.
Tricky and sometimes violent riddles best for tweens and up.
Vague explanations, typos detract from decent learning tool.
Graphic novel teaches kids to feel good about themselves.