The app’s presence on the Apple App Store lasted only before it was pulled on April 22, 2009. The removal followed intense pressure from child advocacy groups and organizations like the National Center on Shaken Baby Syndrome and the Sarah Jane Brain Foundation .

The app’s description mockingly suggested it was a solution for crying babies "on a plane, on the bus, or in a theater". The Backlash and Removal

The app utilized the iPhone’s internal accelerometer to detect shaking.

Developed by , " Baby Shaker " was marketed as a 99-cent novelty game. The premise was simple and, to most, deeply disturbing: a charcoal-sketch animation of a baby would appear on the screen and begin to cry incessantly. The player's objective was to silence the infant by shaking the iPhone.

Once the phone was shaken hard enough, two red "X" marks would appear over the baby’s eyes, signifying it was quiet (and implicitly dead), at which point the player was invited to play again.