Mattis

Mattis makes it easy and fun for kids aged 5 to 9 to practice math. Your child works at their own pace with clear tasks, instant feedback, and a playful setup that's easy to pick up – and hard to put down. What's included? Addition and subtraction are completely free. Want more? Unlock multiplication and division with a one-time purchase. Visual aids help your child build understanding, while stars, levels, and stickers keep the motivation going. Daily challenges are there for anyone who wants a little extra, and as a parent you can easily track progress in a dedicated dashboard. Sound effects and haptic feedback make the experience even more enjoyable. Works across multiple devices – and purchases can be restored with ease. Why Mattis? No ads. No subscriptions. Just math in a safe, focused environment tailored to your child. The core content is free, and with a single purchase you get access to everything – forever. Perfect for practice at home, summer review, or as a supplement to school.