Photolearning app for iPhone and iPad

This app is to help parent teach kids about what objects are.
It is a word book that you create yourself from objects around your home.
The app will pronounce the name of things and spell them.
You can group them in any category you would like.
You can play games to test learning of names of objects, their categories, and spelling.
You can also create a word-book that you can save to your phone as a pdf file and print it from your Files app.
It is great to not only name of things, but also people, or any concept you would like to.