Noise Meter - Sound Level dB
Real-time decibel sound meter
Free · Designed for iPad. Not verified for macOS.
Noise Meter measures the sound around you in real time, with a precision instrument dial that shows the current decibel level at a glance.
Track maximum, minimum and average levels along with a live graph of how the noise changes over time.
■ Features
• Real-time decibel (dB) measurement using your device microphone
• Instrument-style dial with a 0-140 dB color-coded scale
• Max / Min / Average statistics
• Live noise-over-time graph
• Save measurements and review them later
• Noise level guide — compare everyday sounds (library, conversation, traffic, concert)
• 85 dB hearing-safety warning line
• Share your results
■ Great for
• Logging noise from neighbors or daily life
• Checking the sound environment of an office, cafe or study room
• Inspecting workplace noise levels
• Measuring how quiet your sleep or focus space is
Audio captured by the microphone is analyzed in real time only — it is never recorded or saved.
Note: This app is for reference and does not replace medical or professional-grade sound measurement. Readings vary with your device's microphone.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Updated to the latest Flutter and libraries for better stability and performance.
The developer, Byung Kwon Jeon, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Byung Kwon Jeon
- Size
- 28 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, Hindi, Italian, Japanese, Korean, Simplified Chinese, Thai, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 the42apps