The data displays the number of Google Play games using selected monetization models as of December 2016. According to the source, more than 300 thousand of the studied Android games were using ads as a monetization model, which roughly translated to 58% of games.
Ads | 311359 |
Not monetizing | 156766 |
In-app purchases | 110268 |
Ads + in-app purchases | 74182 |
Pay to download | 41011 |