Knocker
Knocker Summary
Knocker is a ad-supported, with in-app purchases Android app in the Casual category, developed by Ape Studios. First released 9 years ago(Mar 2016),
Store info: Last updated on Google Play on Jan 28, 2026 .
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App Description
Knock, knock! It's an epic knocker simulation!
It's an epic knocker simulation! You know, like an old-fashioned door knocker. Use it to fool your roommates into thinking there is somebody at the door. Drives pet's crazy. Can be used to add ambiance to your Halloween experience. Or for whatever purpose you can think of. The sky is the limit with Knocker!