Custom timers, stopwatches, and alarms for many uses.
Fruit Ninja-style app with number focus, cute backstory.
Colorful app offers solid practice; could be more engaging.
Handy math reference gives bite-sized explanations.
Easy-to-navigate quizzes improve speed; mostly pre-algebra.
Color puzzle game grabs grade-schoolers to grown-ups.
Good for general practice, but kids can't enter own lists.