Swiss German Weli Zahl
Weli Zahl (this means «which number?» in Swiss German) is for practicing your understanding of spoken numbers. You hear a number between 1 and 100 in Swiss German and you type in the number you just heard to get instant feedback.
You can also choose Standard German, English or Spanish for training, even multiple languages are possible for an extra challenge. The app can also speak a number to you in these languages.