If you are working out whether your child is ready for a first tablet session at all, the readiness signs rather than a birthday are the thing to watch, which our guide on
what age can toddlers use coloring apps covers. For the wider system of checks behind a first app, our piece on
how to choose safe screen time apps for toddlers goes through the whole list in order, and
educational coloring apps for kids looks at the same decision from the content and age side rather than the device.