Fun for little word artists, but apart from that not recommendable because it's too difficult.
Word Ball is an app that hasn't been developed especially for kids. However, kids can also exercise their ability to spell and build words with this app. There are three game modes: classic, frenzy and sprint. Classic and frenzy are different only in the way that there is a point system. The principle of the game is to build words with all the letters of the alphabet, each letter can be used numerous times. The longer the words the more points you will get for it. If certain letters are not used they will vanish after some time. In each level you have to get 100 points, and this gets harder with each level as more and more letters are not available any more. In the sprint mode there are only a few letters available which makes it harder from the beginning. Unfortunately, a lot of words are not recognized as words by the app (such as sunshine).