Spanish School Bus is a rare bird: an educational app that actually cares about education more than engagement metrics. It doesn't use manipulative 'streak' mechanics or loud explosions to keep kids clicking. Instead, it relies on high-quality music and a logical progression of vocabulary.

It’s a great 'bridge' app. If your kid is too old for the toddler-level 'colors and shapes' games but isn't quite ready for the fast-paced, sometimes-snarky world of Duolingo, this hits the sweet spot. Just be mindful of the subscription—if they stop opening it, kill the sub immediately.