What Noise
Hear Your World, Measured.
Only for iPhone
$1.99 · Designed for iPhone. Not verified for macOS.
iPhone
Curious about the noise around you? What Noise turns your phone into a simple, beautiful sound level meter. Understand your environment and protect your hearing.
Discover the soundscape of your life. From the gentle hum of a library to the roar of a concert, What Noise gives you instant insight into your sonic environment.
SOUND METER
Instantly see the current sound level on a clear, easy-to-read display. Ideal for measuring the noise level of your office, restaurant, or city street.
RECORD & ANALYZE
Capture timed samples and view them on a map to remember where they were taken. See the average and peak sound levels to get the full story of your sound environment.
APPLE HEALTH SYNC
Seamlessly sync your environmental noise exposure data to Apple Health. Get a complete picture of your hearing health, all in one place.
YOUR PRIVACY IS OUR PRIORITY
All audio processing happens on your device. Your microphone is only used for real-time analysis. Your audio is never recorded, stored, or shared.
DISCLAIMER
While What Noise provides a great indication of sound levels, it is not a calibrated scientific instrument. Please use the information for general awareness and informational purposes only, not for professional or medical use.
Download What Noise today and start hearing your world in a whole new way!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Upgraded the measurement engine with Full Spectrum Analysis for more reliable readings.
The developer, Andreas Vercell, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Andreas Vercell
- Size
- 1.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 21 more
- English, Arabic, Danish, Dutch, Finnish, French, German, Greek, Hindi, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Thai, Turkish, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2025 Andreas Vercèll
