• Overall: 28.03% (up from 24.68% last week)
• US: 41.02% (up from 28.69%)
• KR: 16.89% (down from 17.33%)

Observations

• Fraud rates climbing again, showing an uptick in all categories of fraud across the board.
• Clicks without IDFAs became a major issue this week, particularly in the US region.

USA

• Large increases again for US fraud. Notably, junk installs nearly doubled.
• The vast majority of clicks this week came without IDFA, a major change from prior weeks.

Korea

• Korea fraud rate declined pleasantly, primarily due to a drop in installs rejected by MMP.

 Korea Fraud October 15–21