Click to install time (CTIT) is a type of distribution modeling which help to detect mobile ad fraud such as click injection and click spamming(click flooding).
A vital metric used to understand and detect ad fraud is CTIT distribution rates. Generally, a CTIT distribution of 75% of installs occurring within the first hour is indicative of ad fraud along with 94% of installs occurring within the first 24 hours is also indicative of ad fraud . The general benchmark : and 94% of installs occur within 24 hours following a click. If your data is out of the distribution rates, advertisers should consider checking their traffic quality.