"Mental Math" is a simple and clean Android app for mental arithmetic training. You can practice on your own or challenge friends to compete and improve your skills. The app is open source and respects your privacy.
- Global



Games similar to Numberess include Mental Math - By Mental-Math, which is free and open source. Other options are Zero – The zoom and zen number game. Between them they cover Android, iPhone and iPad.
"Mental Math" is a simple and clean Android app for mental arithmetic training. You can practice on your own or challenge friends to compete and improve your skills. The app is open source and respects your privacy.



How quickly can you tell if the sum of 3 numbers are a multiple of ten? 4 numbers? 5 or 6? It sounds easy, but hurry... time is running out!


