Noise Meter: Decibel dB Meter
Apartment & Neighbor Noise Log
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Check if upstairs footsteps, a neighbor's music, or street noise goes over the limit. Measuring, saving, and the over-limit verdict are free. No ads.
Check whether upstairs footsteps, a neighbor's music, construction or traffic noise goes over the limit. Answer three quick questions and each measurement is judged minute by minute against the right reference: Korea's apartment impact-noise rule or the WHO community-noise guideline. Whether it went over is always free.
Noise Meter turns your phone into a real-time decibel meter and sound level meter for everyday noise checks.
Open the app to see the current dB level on an analog gauge and digital readout. Follow changes on a live 60-second chart and review MIN, AVG (Leq), MAX and PEAK values. Choose A/C/Z frequency weighting or Fast/Slow response, adjust the calibration offset for your device, then save the session for free. Saved-result details, text sharing, and CSV require Premium.
MEASURE AT A GLANCE
- Real-time decibel (dB) reading
- Analog gauge and clear digital display
- MIN / AVG (Leq) / MAX / PEAK levels
- Live 60-second noise chart
- Pause, reset and save sessions
- Noise-level reference guide
ADJUST THE METER
- A, C and Z frequency weighting
- Fast (125 ms) and Slow (1 s) response
- Per-device calibration offset
SAVE AND SHARE
- Measurement history with labels
- Saved-result details and timeline with Premium
- Text result sharing with Premium
- CSV export with Premium
PREMIUM ANALYSIS
- 1/3-octave spectrum analyzer with peak hold
- L10 / L50 / L90 statistics
- NIOSH and OSHA dose estimates with 8-hour TWA
- Saved-result details and timelines
- CSV export
USE IT TO CHECK
- Noise at home or from nearby rooms
- Office, cafe and street sound levels
- TV, music and speaker volume
- General workplace noise awareness
PRIVATE BY DESIGN
Audio is analyzed on your device and is not stored or uploaded.
REFERENCE ONLY
Phone microphones and readings vary by device and environment. Noise Meter does not replace a calibrated professional sound level meter and should not be used as legal evidence or as the sole basis for health and workplace-safety decisions.
Premium is available as an auto-renewing weekly subscription or a one-time lifetime unlock. Localized prices and renewal terms appear before purchase.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Pick your noise situation on the first screen and every measurement is judged against the right limit. The verdict now sits right under the meter, and a bolder icon is easier to spot.
The developer, Sunwoo Kim, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Location
- User Content
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sunwoo Kim
- Size
- 65.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 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 2 more
- English, Japanese, Korean
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Unlock $24.99
- Noise Meter Pro Weekly $14.99
- Copyright
- © 2026 SecondEarth AI