Zeroscos
A math game for iOS, built by Delmova.
About the game
Zeroscos is built around mental arithmetic: short rounds of problems to work through, with your progress and settings kept on the device. There is no account to create and no ads. What the app collects, and how to turn it off, is set out in the privacy policy.
Privacy and support
Contact
For anything about Zeroscos, email [email protected].