WeetWoo! is a great app for the preschool market. Basically, it’s YouTube for young children. The videos on the app have all been reviewed and handpicked by parents and are deemed safe and appropriate for the age group. The layout of the app is really easy to use and the video content ranges with clips from Sesame Street, Caillou, Blue’s Clues, and many others.

Reviews for this highly rated app can be found here and here.