Litnerd - The Pixar for education, reading program for K-5 schools
Kids First - Kids Videos and Nursery Rhymes – Kids First is a free kid education app developed and published by USP Studios.
Cotrio - The most beautiful way to move your brain and imagination
YouTube Kids - YouTube for the youngins on iOS and Android
WonderBox - Wikipedia for kids — Learn with friends and family
ChuChu TV LITE - ChuChu TV LITE Best Nursery Rhymes Videos For Kids is an interesting app to stream more than 1000 videos.