Maybe this app's real purpose is to be malware. Start off as a useful app to gain a large user base (trojan horses). Charge for it too, that makes it seem even

Maybe this app's real purpose is to be malware. Start off as a useful app to gain a large user base (trojan horses). Charge for it too, that makes it seem even more legit, but have a free tier to grow the user base. Then silently turn it into malware.