Clean Master is the American-born app of Lei Jun （雷军）, founder of privately owned Xiaomi (小米）, the largest and most popular low-cost Chinese smartphone maker.

Is Clean Master is Chinese app?

The smartphone junk cleaner and virus detector software called the Clean Master app was made by a China-based tech company Cheetah Mobile. The Chinese app development organisation is headquartered in the city of Beijing.

Is Cleaner a Chinese app?

DU CLEANER / CLEAN MASTER

This is a Chinese mobile cleaning application developed by DU Studios. It helps clear cache, a method used to store information so that it can be accessed quickly.