Combine the numbers to equate the number on the left
Free | 48K
Björn Voigt first app (Math Maniac) was published 5 years ago and the last one (Math Maniac Gold) was published 4 years ago .
Android total downloads for Björn Voigt apps sum 1015001 (the most downloaded Math Maniac for Android).
The average users' rating for Björn Voigt apps is 2.83/5.