About 204 different fleeceware applications with a combined billion+ downloads have raked in more than $400 million in revenue so far. The cache of apps, found in Apple and Google s official marketplaces, is largely targeted towards children, including several slime simulators Some of those subscriptions can reach $3,400 or more per year. Most of the offending apps are musical instrument apps, palm readers, image editors, camera filters, fortune tellers, QR code and PDF readers.
Source: https://threatpost.com/fleeceware-apps-400m-revenue/165040/