How does it work?
The operation is simple, the APP tells you a number and you have to write the numbers that it has said, the range of numbers and the speed will increase as you advance with the hits. OPERATION MANUAL
Can't hear the voice?
Practicing numbers works on many platforms, but we would recommend the latest versions of browsers: Chrome, Edge, Firefox, Safari, Opera …
What languages are available?
At this moment we have available to practice: Spanish, Korean, English, Japanese, Portuguese, German, Italian, Russian, Chinese, Indi, Dutch and Polish.