From 15 to 20 million mobile games built on the Unity cross-platform engine are installed on iOS devices every day.

This was announced yesterday by the executive director of Unity Technologies David Helgason (David Helgason). Facebook’s Director of gaming Relations, Sean Ryan, also present at the meeting with journalists, noted that 130 million Facebook gamers have installed a plug-in on their PCs that allows them to play Unity projects in the browser. 

A source:

Unity is a very popular engine among mobile app developers, allowing you to develop games for most existing platforms, including PC, Facebook, iOS, Android, portable and home consoles. One of the key features of the toolkit since its release has been a user-friendly editor.

Facebook is the most popular social network in the world. It was launched in 2004 by Mark Zuckerberg. Its MAU at the moment is about 1.23 billion.