Kiloo and SYBO's 2012 endless runner Subway Surfers has taken in more than $80 million in revenue on iOS. Sensor Tower reports that the title reached the milestone through in-app purchases alone.

For 13 years, Subway Surfers’ download rate has been consistent: about one million new installs every single day. Half of those downloads come from users upgrading to new devices. The other half comes ...

In our regular Mobile Masterworks feature we take an in-depth look at the story behind the biggest mobile franchises and apps around. What led to their creation? What made them such a success? And how ...