Date Removed: Nov. 1, 2010 

The spying app gave jilted lovers and scorned exes a way to infiltrate incoming text messages from their intended targets. In order to achieve this they would install the software onto a victim’s smartphone, where it would run unnoticed in the background and forward messages to the stalker’s number. Privacy concerns led to its boot from the Android Market, but Secret SMS Replicator remains on the mobile black market for the asking price of $19/month