Maths you can see and touch — for iPad and iPhone.
Questions, bug reports or ideas are welcome. Email olutaiwo.oni@gmail.com and you'll get a reply, usually within a few days.
Please say which device you're using (iPad or iPhone) and what happened.
The first time the app opens it asks a grown-up to create a 4-digit parent PIN. Do this before handing the device over. Afterwards, reach it from the explorer picker ("Parent Zone") or by tapping the avatar at the top-left of the map.
Open the Parent Zone, choose the child, and tap "Reset PIN". Their progress is untouched.
For safety there's no back door. Deleting and reinstalling the app clears everything, including progress, and lets you start again.
Worlds open as you earn stars. To open everything at once: Parent Zone → choose the child → "Open every world".
By answering questions correctly first time, finishing lessons, beating bosses, Lightning Rounds and daily chests. Gems cannot be bought — there are no in-app purchases.
No. Mathonauts works entirely offline and never sends anything anywhere.