Quackenworth's Learn to Read: Vowel Stories app for preschool kids has been downloaded by parents and teachers around the world and is a trusted app for learning long and short vowel sounds. The app contains 10 vowel stories (for both long and short vowel sounds) and contains a variety of activities that teach basic literacy skills. In addition, the Learn to Read series also have two other apps that help kids build strong literacy skills, Learn to Read: Sight Words and Learn to Read: Rhyming Stories.Combine all three literacy apps and you have powerful tools that will help your child build strong literacy skills!