No-frills app helps build vocabulary by focusing on roots.
Focused drills for vocab building; no bells and whistles.
Mind-mapping tool lets kids easily create visual organizers.
Functional, Euro-centric language app low on "wow" factor.
Cool, free interactive textbook teaches design in 3-D.
Uneven mini-games let kids grapple with mechanics concepts.
Create eye-catching presentations with images and few words.
Brainstorm and organize on the go with virtual corkboard.
From Brunei to Barbados, complex app is all over the map.
Contagiously engaging strategy app with public health theme.
Dynamic, highly visual resource makes exploring words fun.
Innovative tool for programming on the iPad.
Fun cartoons and audio engage tweens studying new words.
Beautiful astronomy resource is rich with information.
Mobile planetarium brings night sky up close, beautifully.
Impressive tool for stargazing, learning about astronomy.
Solid times tables practice and some tricks.
Interactive app best for tweens, teens interested in robots.
Terrific tool for learning speedy math tricks.
One of the best tower-defense games gets even better.
Excellent tutorials on math, humanities, and more, for free.
9 fun ways to practice; purchase needed to unlock full app.
Illuminating look at expressions you're using incorrectly.
In-app pushiness mars otherwise fun strategy game.
Challenging robot adventure surprises with touching story.