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Best Niosh Decibel Meter Apps

219+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated April 2026

Looking for free niosh decibel meter apps? 18 of our 219+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Niosh Decibel Meter

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 & Dosimeter#3

Decibel Meter & Dosimeter by Mobile Card Games & Travel Apps LLC

dB Noise Level Sound Detector
Worth Considering
🔧 Utilities
3.9(16 ratings)
FreeIn-App Purchases
Decibel Meter & Dosimeter screenshot 1
Decibel Meter & Dosimeter screenshot 2
Decibel Meter & Dosimeter screenshot 3
Decibel Meter & Dosimeter screenshot 4
Decibel Meter & Dosimeter screenshot 5

This app transforms your iPhone into a professional sound level meter. It provides real-time decibel monitoring, instant feedback on noise intensity, and smart notifications for safety limits. Track your noise exposure over time with detailed history and exportable reports.

More Niosh Decibel Meter apps to explore

4
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
5
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
6
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
7
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
8
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
9
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
by 祥祎 刘
Free

Transform your device into a professional sound meter to accurately measure ambient noise levels. Understand how loud your surroundings are, from quiet rooms to loud events, and learn about potential hearing risks.

Accurate sound pressure level measurementMeasures decibels (dB)Provides real-time sound intensity readings
🔧 Utilities
(470)
free
10
Decibel Meter - Sound Analyzer
Decibel Meter - Sound Analyzer
Decibel Meter - Sound Analyzer
Measure noise frequency level
Free

This tool transforms your iPhone into a professional sound level meter, measuring decibels and analyzing sound frequencies. It helps identify harmful noise levels to protect your hearing and health, offering detailed insights and measurement history.

Professional sound level meterSound frequency analysisNoise dosimeter with standards
🔧 Utilities
(36)
freemium
11
Decibel Sound Meter | dB Level
Decibel Sound Meter | dB Level
Decibel Sound Meter | dB Level
Decibel Noise meter | dB Level
Free

Measure environmental noise levels and display decibel values in various formats. This smart sound meter app features a tidy graphic design and provides real-time noise detection using your mobile microphone. It offers clear visualizations of sound levels and includes helpful information about decibel measurements.

Measures environmental noise decibel valuesDisplays dB values in various formsTidy graphic design with high frame rate
📊 Productivity
(2)
free with in-app purchases
12
Decibel Meter Master
Decibel Meter Master
Decibel Meter Master
Tool for measuring sound level
Free

This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.

Measures sound levelActs as a decibel meterUses iPhone as a meter
🔧 Utilities
(2.9K)
free
13
dBPocket Digital Decibel Meter
dBPocket Digital Decibel Meter
dBPocket Digital Decibel Meter
SPL Meter & Hearing Test
Free

Transform your device into a professional sound level meter to measure ambient noise and audio levels. Analyze sound spectrums, detect environmental noise, and even conduct hearing tests. Capture evidence of noise pollution with photo and video overlays.

Digital sound level meterSound spectrum analyzerEnvironmental noise detection
🔧 Utilities
(123)
subscription
14
Noise Dosimeter NIOSH & OSHA
Noise Dosimeter NIOSH & OSHA
Noise Dosimeter NIOSH & OSHA
dB, Decibel Sound Level Meter
Free

This app measures your daily noise exposure to help you understand when sound levels exceed safe limits. It provides real-time alerts and works in the background, assisting you in protecting your hearing from potential damage.

NIOSH & OSHA standardsCalibrated with professional sound level meterBackground work
💪 Health & Fitness
(382)
free with in-app purchases
15
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

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.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps
📊 Productivity
(48K)
free with in-app purchases
16
Sound Meter - Decibel Meter
Sound Meter - Decibel Meter
Sound Meter - Decibel Meter
Sound Meter, Noise Power Level
Free

Measure ambient noise levels in decibels with this powerful sound meter app. It displays current noise environments, min/avg/max values, and a sound level graph. The app also allows for device-specific decibel calibration.

Fast dB responseGauge for indicate valuesShow current noise environment
🔧 Utilities
(27)
free with in-app purchases
17
Decibel dB – Sound Level Meter
Decibel dB – Sound Level Meter
Decibel dB – Sound Level Meter
NIOSH SLM & Noise Analyzer Pro
Free

Measure ambient noise and sound levels in real-time with this tool. It helps control noise pollution and protect user health by displaying decibel values numerically and graphically. Track exposure over time with NIOSH and OSHA compliant measurements.

Measure noise in decibels (dB)Track MIN, AVG, MAX sound levelsRecord and export measurements
🔧 Utilities
(651)
subscription
18
Decibel Meter-measure db level
Decibel Meter-measure db level
Decibel Meter-measure db level
Frequency Spectrum Analyzer
Free

Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.

Military-grade algorithmProfessional GB weighted detectionNoise recording
🔧 Utilities
(905)
free with in-app purchases
19
Toolbox - Smart Meter Tools
Toolbox - Smart Meter Tools
Toolbox - Smart Meter Tools
Best Measuring Tool Box App
Free

Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.

MetronomeStopwatchTimer
🔧 Utilities
(14K)
free with in-app purchases
20
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
Noise & sound level decibel
$29.99

Measure ambient noise levels with professional-quality accuracy. This app offers a spectrum analyzer, hearing test, and the ability to save and share measurements with location data. It's a powerful, cost-effective tool for personal sound monitoring.

Professional-quality sound level measurementIntegrated spectrum analyzerNoise dosimeter (NIOSH/OSHA)
🔧 Utilities
(858)
free with in-app purchases