About this app
A collection of realistic knocking sounds on the window - for pranks! This app simulates realistic knocking sounds on the window - different and unique sounds Great for pranks: create the impression that someone is persistently knocking on the window from outside! The knocking sounds on the window will make the prank as realistic as possible. How to play: - Select one of the 12 windows in the main menu. - Click on the window and listen to the knock. Attention: the application is created for entertainment and does not cause any harm!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 26, 2026 · 7:22 AM Free
Screenshots
