Best Noise Monitor Apps

233+ iOS apps curated and reviewed

4.3 avg rating
17 free apps
Updated June 2026

If you already know NIOSH Sound Level Meter, this is the deeper bench. 233+ noise monitor apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Noise Monitor

NIOSH Sound Level Meter#1

NIOSH Sound Level Meter by EA LAB d.o.o.

Editor's Choice
🔧 Utilities
4.7😊(16K ratings)
Free
NIOSH Sound Level Meter screenshot 1
NIOSH Sound Level Meter screenshot 2
NIOSH Sound Level Meter screenshot 3
NIOSH Sound Level Meter screenshot 4
NIOSH Sound Level Meter screenshot 5

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.

What We Love

  • 🚀 Free and ad-free
  • 👍 Simple and intuitive interface
  • ⚖️ Accurate and reliable measurements
  • 💡 Useful for monitoring noise levels in various environments

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔌 Issues with external microphone support
  • 🔋 Can drain battery when running for extended periods
Decibel X:dB Sound Level Meter#2

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

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.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
Decibel Meter Sound Detector#3

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Worth Considering
📊 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

More Noise Monitor apps to explore

4
Too Noisy Starter
Too Noisy Starter
Too Noisy Starter
A noise level management app
Free

This app visually displays background noise levels in a room, using a character that reacts to the sound. It helps manage noise in groups of children in a fun and engaging way, encouraging peer pressure for control.

Visual noise level displayCharacter feedback on noiseAdjustable sensitivity
📚 Education
(153)
freemium
5
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
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
ComunicaCity
ComunicaCity
ComunicaCity
by YES I CODE SOC COOP
Free
📡 News
(0)
8
Noise Monitor and Analysis
Noise Monitor and Analysis
Noise Monitor and Analysis
Get the evidence
$3.99

Record and analyze unwanted noise with this app. It offers background recording, visual noise identification through color encoding, and detailed analysis of audio frequencies. Review noisy sections quickly with playback options and optional features like remote monitoring and alerts.

Background recordingColor-encoded noise analysisInstantaneous frequency graphs
🌟 Lifestyle
(2)
paid
9
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
10
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
11
vRace
vRace
vRace
by FPT ONLINE SERVICE JOINT STOCK COMPANY
Free

This platform connects sports enthusiasts with various activities like running, walking, and cycling. It allows users to track their progress, join challenges, and connect with a community. Earn rewards and stay updated with sports news.

Multi-platform access (PC, mobile)Connect with Strava, GarminActivity tracking (running, walking, cycling)
💪 Health & Fitness
(324)
free with in-app purchases
12
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Noize analyzer
Free

Measure and analyze the sound pressure around you. Compare your recordings to a reference chart to understand noise levels, from normal conversations to rocket launches. Unlock advanced features like audio recording saving and active screen history with a subscription.

Measure sound pressureCompare to reference chartAnalyze noise levels
🔧 Utilities
(409)
subscription
13
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
14
HubbleOrion Educator
HubbleOrion Educator
HubbleOrion Educator
by HUBBLEHOX TECHNOLOGIES PRIVATE LIMITED
Free
📚 Education
(0)
15
Noise Monitor for Teachers
Noise Monitor for Teachers
Noise Monitor for Teachers
by Manuel Pedrazzoli
$0.99

This app helps teachers manage classroom noise levels with a simple visual indicator and a playful mascot. It provides live sound monitoring and customizable alerts to encourage a quieter learning environment.

Live noise level monitoringClear visual indicatorKid-friendly mascot
🔧 Utilities
(3)
paid
16
NYCNoise Monitor
NYCNoise Monitor
NYCNoise Monitor
NYC - DEP
Free

This utility anonymously monitors environmental noise levels in New York City using your phone's sensors. It analyzes sound intensity and frequency without recording audio, contributing to efforts to reduce noise pollution and improve the urban soundscape.

Measures environmental noise levels (dBA)Analyzes noise by frequency (Hz)Ensures user anonymity
🔧 Utilities
(10)
free
17
Decibel Meter Ultra
Decibel Meter Ultra
Decibel Meter Ultra
Noise Level Frequency Analyzer
Free

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.

Precision sound level meteringNoise logging and reportingHearing protection dosimeter
🔧 Utilities
(2.3K)
free with in-app purchases
18
Decibel Metre (Sound Meter)
Decibel Metre (Sound Meter)
Decibel Metre (Sound Meter)
Measure the environment noise
Free

This application functions as a smart sound level meter, utilizing your device's microphone to measure ambient noise in decibels (dBA). It provides real-time readings on a digital screen and displays historical data through a graph. The app also shows reference noise levels and tracks minimum, average, and maximum decibel values.

Measures sound level in decibels (dBA)Uses built-in microphoneDisplays readings on digital screen
🔧 Utilities
(577)
ad-supported
19
Decibel Meter-Noise monitoring
Decibel Meter-Noise monitoring
Decibel Meter-Noise monitoring
Professional monitoring
Free

Measure ambient noise levels accurately and generate visual reports. Record noise changes with video and use an AR ruler for measurements. Ideal for private use and environmental monitoring.

Accurate real-time decibel measurementLocal data savingVisual noise monitoring reports
🔧 Utilities
(11)
free with in-app purchases
20
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

Related searches