Popular VPN and ad-blocking apps are secretly harvesting user data

Sensor Tower, a popular analytics platform for tech developers and investors, has been secretly collecting data from millions of people who have installed popular VPN and ad-blocking apps for Android and iOS, a BuzzFeed News investigation has found.
Three Sensor Tower apps. (Source: BuzzFeed News)
Craig Silverman for BuzzFeed News:These apps, which don’t disclose their connection to the company or reveal that they feed user data to Sensor Tower’s products, have more than 35 million d