Invert (opposite phase) the sound taken from microphone and output it to speaker.
It's a simple noise canceling app.
Since it is made with the minimum program, if you have a smartphone with high processing speed, you might be able to keep quiet inside of your car or your room.
※For smartphones with battery saving mode,
Auto-startup and background services may not work correctly.
In that case, Please allow it yourself from the individual app settings on the system settings menu.
Latest Version
7.0Uploaded by
Nabiil
Requires Android
Android 8.0+
Category
Free Tools AppContent Rating
Everyone
Security Report
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Flag as inappropriateLast updated on Apr 6, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!