Best Decibel Meter Noise Detector Apps

234+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

With an average user rating of 4.2★, the decibel meter noise detector category is one of the App Store's strongest. Browse all 234+ apps we track, sorted so the most loved ones surface first.

Top Picks for Decibel Meter Noise Detector

Decibel Meter Sound Detector#1

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Editor's Choice
📊 Productivity
4.7😊(48K ratings)
FreeIn-App Purchases
Decibel Meter Sound Detector screenshot 1
Decibel Meter Sound Detector screenshot 2
Decibel Meter Sound Detector screenshot 3
Decibel Meter Sound Detector screenshot 4

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

What We Love

  • 👍 No bloatware
  • 👍 Quite useful
  • 👍 Excellent and useful app
  • 👍 Easy to use

Room to Improve

  • 🐛 Ads block settings
  • 🐛 Inaccurate readings
  • 🐛 Not sensitive at all
Decibel Meter Ultra#3

Decibel Meter Ultra by Ultrafine, Lda

Noise Level Frequency Analyzer
Worth Considering
🔧 Utilities
4.6😞(2.3K ratings)
FreeAdsIn-App Purchases
Decibel Meter Ultra screenshot 1
Decibel Meter Ultra screenshot 2
Decibel Meter Ultra screenshot 3
Decibel Meter Ultra screenshot 4
Decibel Meter Ultra screenshot 5
Decibel Meter Ultra screenshot 6

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

What We Love

  • 🎨 Aesthetically pleasing design
  • 🔍 Useful noise monitoring features
  • 🔍 Ability to collect noise evidence

Room to Improve

  • 💰 Expensive subscription pricing
  • 🚫 Misleading free trial claims
  • 🚫 Difficult to cancel subscription

More Decibel Meter Noise Detector apps to explore

4
Decibel Meter: Sound Analyzer
Decibel Meter: Sound Analyzer
Decibel Meter: Sound Analyzer
Noise Meter & dB Test
Free

Measure and understand ambient noise levels with this intuitive tool. It provides instant decibel readings, logs historical data with notes, and offers visual and auditory representations of sound. Ideal for ensuring safety, monitoring environments, or protecting hearing.

Instant dB readingsHistorical data loggingAdd personal notes to recordings
🔧 Utilities
(7)
free with in-app purchases
5
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Frequency Spectrum Analyzer
$69.99

This application transforms your device into a professional sound level meter, offering precise dBA and dBC measurements. It features advanced analysis tools like frequency spectrum analysis and data export, making it ideal for audio professionals and anyone interested in sound environments.

Professional sound level meterdBA and dBC measurementsFrequency spectrum analysis (FFT, BAR graphs)
🔧 Utilities
(6.9K)
paid
6
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
🔧 Utilities
(36K)
freemium
7
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Audio Noise Frequency Analyzer
Free

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

Real-time decibel meterMIN, AVG, MAX sound level displayNoise dosimeter (NIOSH/OSHA compliant)
🔧 Utilities
(1.2K)
subscription
8
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Noise Level Analyzer + Measure
Free

Measure sound volume in real-time with this app. It provides precise decibel readings, a visual timeline of sound fluctuations, and customizable calibration for accurate results. Ideal for monitoring noise levels in various environments.

Accurate sound measurements in decibels (dB)Real-time volume displayVolume timeline for trend analysis
🔧 Utilities
(1.2K)
free with in-app purchases
9
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(156K)
free with in-app purchases
10
Decibel Shield - dB Meter
Decibel Shield - dB Meter
Decibel Shield - dB Meter
Measure Noise & Sound Levels
Free

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

Real-time decibel monitoringHistorical data trackingApple Health integration
🔧 Utilities
(468)
free with in-app purchases
11
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Sound level meter, audio tools
Free

Measure sound levels with precision to understand your environment and protect your hearing. Identify loud noises, monitor noise pollution, and find quiet spaces for recording. Features include a decibel dosimeter, background noise measurement, and geo-tagged recordings.

Precise sound level metering (SPL)DB Dosimeter for noise exposure trackingBackground noise measurement
🔧 Utilities
(299)
free
12
Noise Analyzer: Decibel Meter
Noise Analyzer: Decibel Meter
Noise Analyzer: Decibel Meter
Analyze Sound dB Level
Free

Measure and analyze ambient noise levels in real-time with this utility app. Track historical data, export reports, and gain insights into your auditory environment. Designed for professionals and curious individuals alike.

Real-time decibel monitoringHistorical noise trackingExportable reports
🔧 Utilities
(1)
ad-supported
13
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Decibel : dB Noise Level Meter
Audio Sound Frequency Analyzer
Free

Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.

Real-time sound level measurement (dB)Noise exposure monitoring (Dosimeter)Interactive recording and visualization
🔧 Utilities
(250)
free with in-app purchases
14
Sound Decibel Meter-NIOSH,OSHA
Sound Decibel Meter-NIOSH,OSHA
Sound Decibel Meter-NIOSH,OSHA
Noise Level Spectrum Analyzer
Free

Measure ambient noise levels with this clear, simple, and accurate app. It helps you monitor hearing health by detecting noise types, analyzing sound pressure, and syncing data with your Health app. Features include recording, sharing, and adherence to OSHA/NIOSH standards.

Smart AI noise meterAccurate sound pressure measurementsSync with Health app
🎵 Music
(335)
subscription
15
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

Sound level measurementNoise dosimetryHearing hazard information
🔧 Utilities
(16K)
free
16
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Accurate and convenient
Free

Transform your device into a professional decibel meter to measure and track sound levels in real-time. Save measurements, view history charts, and set custom alerts for excessive noise. Useful for documenting sound exposure or identifying noise sources.

Real-time decibel meterSave and export noise measurementsNoise history charts
🔧 Utilities
(289)
free with in-app purchases
17
Decibel Meter - Sound Detector
Decibel Meter - Sound Detector
Decibel Meter - Sound Detector
Noise and Volume Measurement
Free

This tool transforms your device into a professional sound level meter. It offers accurate, pre-calibrated measurements for various environments, from quiet rooms to loud stadiums. Integrate with health apps to track vibrations and analyze noise levels for personal or professional use.

Professional sound level meterIntegrated spectrum analyzerHearing test and audiogram
🔧 Utilities
(17)
subscription
18
Decibel-Noise Testing Artifact
Decibel-Noise Testing Artifact
Decibel-Noise Testing Artifact
Noise Test Tools
Free

This application offers noise detection and measurement capabilities, providing reference data for sound levels anytime, anywhere. It also includes location tagging for detection points and allows for the export of audio files for sharing. While it aims for accuracy, it is intended for private reference and cannot fully replace professional equipment.

Noise detectionReference measurement dataDetection point location
🔍 Reference
(291)
free with in-app purchases
19
Sound Meter (Decibel)
Sound Meter (Decibel)
Sound Meter (Decibel)
Measure the noise level
Free

This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.

Measures decibel valuesDisplays noise referenceShows min/avg/max dB
🔧 Utilities
(2.6K)
ad-supported
20
Shush - Sound & Noise meter
Shush - Sound & Noise meter
Shush - Sound & Noise meter
Loud voice decibel detector DB
Free

This app detects ambient noise levels and plays a loud "SHUSH" sound when it exceeds a set threshold. It's ideal for maintaining quiet environments in places like classrooms or libraries, and also allows users to record or select custom sound effects.

Noise level detectionAutomatic "SHUSH" sound alertCustomizable sound effects
🔧 Utilities
(323)
free with in-app purchases