Bob Books is the ultimate 'un-app.' It’s a teacher-created system that does one thing—teaches decoding—and does it better than almost anything else. If you have a kid who is struggling to move from letters to words, this is the first place you should look.

It’s not 'fun' in the way a Pixar movie is fun, but it offers the deep satisfaction of competence. For a four-year-old, the realization that they can read a whole book (even if it's just 'Mat sat on a cat') is a core memory. The website and digital tools are clean, safe, and entirely focused on the mission.