DoodleMath: Elementary Math

This is a casual, portrait-oriented math learning app designed for short, solo sessions, making it highly interruptible and suitable for quick practice. While it offers a free tier, some users note in-app purchases for full access, but the core educational content is generally considered fair. It's ideal for children needing to build confidence and skills in elementary math, offering a cozy and replayable experience without demanding high-end hardware.