Decibel Meter - Noise Check
Measure ambient sound levels
$0.99 · Designed for iPad. Not verified for macOS.
Decibel Meter is a practical sound level tool for everyday environments. It helps you monitor ambient sound through your device microphone, understand whether your surroundings are quiet, comfortable, active, loud, or high-noise, and save key data from each measurement session.
Use it at home, in the office, in classrooms, dorms, study spaces, around equipment, near renovation work, or anywhere you want a clear reference for surrounding noise changes.
One purchase unlocks all features available in the current version, including measurement history, audio playback, scene photo records, and PDF reports.
Key Features:
- Real-time decibel readings: View the current ambient sound level in dB
- Spectrum analysis: Observe low, mid, and high frequency movement
- Environment status: See labels such as Quiet, Comfortable, Active, Loud, and High Noise
- Session statistics: Track average, minimum, peak value, and duration
- Measurement history: Save sessions for later review and comparison
- Audio playback: Save and replay audio from a measurement session
- Reading calibration: Adjust an offset for your device and reference source
- Decibel reference: Compare readings with common everyday sound scenes
- Scene photo records: Capture a scene photo with time, location, coordinates, and decibel data
- Photo archive: View, manage, and share generated scene record images inside the app
- PDF reports: Generate a report with a conclusion, data table, and decibel trend chart
Useful for:
- Checking sound levels at home, in offices, classrooms, dorms, and study spaces
- Recording renovation noise, machine sound, temporary noise, and other sound events
- Comparing sound changes across different times and locations
- Keeping scene records for later review, organization, and communication
- Staying aware of comfort during long exposure to louder environments
Important Note:
This app uses your device microphone, so readings may vary by device model, distance, obstruction, microphone condition, and surrounding environment. Measurements, scene photos, and reports are for everyday reference, record keeping, and communication only. This app does not replace a calibrated professional sound level meter and should not be used as medical, legal, or industrial safety evidence.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
1. Improved overall stability and performance.
2. Optimized the user experience.
3. Fixed known issues.
The developer, 恒盛 程, 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
- 恒盛 程
- Size
- 43.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 11 more
- English, Arabic, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Hansen lnc.
