Screenshot of Smosh iShutUp on an iPhone

Smosh iShutUp is a mobile application created by Smosh and produced by DEFY Media for Android and Apple mobile devices. It is a simple app in which if users speak through the phone's microphone it will respond in Smosh's iconic SHUT UP! at the start. Users have the option to adjust the sensitivity of the app's reaction. The app costs $0.99 in the app stores.

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