No-frills app helps build vocabulary by focusing on roots.
Fun word game helps reinforce parts of speech.
Focused drills for vocab building; no bells and whistles.
Engaging game, but learning seems incidental, lacks depth.
Mind-mapping tool lets kids easily create visual organizers.
Fun strategy game with challenging physics concepts.
Brief vocab quests should hold preteen attention.
Dynamic estimation game lets kids design the questions.
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.
Cute endless runner stands out from the pack.
Interactive textbook lets kids get hands on with concepts.
Realistic, high-flying racer -- with lots of wrecks.
Multiplayer game will engage geography buffs.
Brainstorm and organize on the go with virtual corkboard.
From Brunei to Barbados, complex app is all over the map.
Get to know the original Renaissance man with this charmer.
Clever update to popular app, but now with in-app purchases.
Terrific strategy game does a lot with very little.
Colorful puzzles and games get kids to focus on the world.
Kids learn, share, and build skills on excellent social app.
Excellent searchable dictionary includes word lists, games.
Contagiously engaging strategy app with public health theme.