Best Noise Measurement Apps

224+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated July 2026

The best noise measurement apps on iPhone average 4.6★ across 224+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Noise Measurement Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (160K)NoYesAug 2026
2NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoAug 2026
3Decibel Meter Sound DetectorDecibel Meter Sound DetectorFree4.7★ (54K)NoYesAug 2026
4Decibel : dB sound level meterDecibel : dB sound level meterFree4.6★ (36K)NoYesAug 2026
5Noise MeasurementNoise MeasurementFreeNoNoMay 2026
6Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.1K)YesNoAug 2026
7Decibel Meter UltraDecibel Meter UltraFree4.6★ (2.4K)NoYesAug 2026
8dB meter lite - noise measuredB meter lite - noise measureFree4.6★ (308)NoYesAug 2026

Top Picks for Noise Measurement

Decibel X:dB Sound Level Meter#1

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

Frequency Spectrum Analyzer
Editor's Choice
🔧 Utilities
4.7😐(160K 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
NIOSH Sound Level Meter#2

NIOSH Sound Level Meter by EA LAB

Strong Contender
🔧 Utilities
4.7😊(17K 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 Meter Sound Detector#3

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Worth Considering
📊 Productivity
4.7😊(54K 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 Measurement 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
Noise Measurement
Noise Measurement
Noise Measurement
by PSCD TECHNOLOGY DEVELOPMENT COMPANY LIMITED
Free
🔧 Utilities
(0)
6
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
(3.1K)
ad-supported
7
Decibel Meter Ultra
Decibel Meter Ultra
Decibel Meter Ultra
Measure Sound and Noise Levels
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
(2.4K)
free with in-app purchases
8
dB meter lite - noise measure
dB meter lite - noise measure
dB meter lite - noise measure
Noise decibel meter
Free

This application measures sound levels in decibels using your device's microphone. It displays current, peak, and maximum SPL levels, with options to save measurements and view historical data through a graph histogram. The app allows for self-calibration to ensure accuracy.

Measure current, peak, and maximum SPLGraph histogram for SPL changesSave sound level measurements
🔧 Utilities
(308)
free with in-app purchases
9
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
(1.3K)
free with in-app purchases
10
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
11
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Decibel Meter: Sound dB
Noise Level Tracker & SPL App
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
(294)
free with in-app purchases
12
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
13
Sound Meter HQ
Sound Meter HQ
Sound Meter HQ
Measure noise and sound level
Free

This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.

Measure sound levelVibration meterNoise detector
🔧 Utilities
(345)
free with in-app purchases
14
dB meter - noise measure
dB meter - noise measure
dB meter - noise measure
Noise decibel meter
$2.99

This application functions as a calibrated sound pressure level meter, measuring current, peak, average maximum, and absolute maximum decibel levels. It offers a graph histogram to visualize sound level changes and allows users to save measurements. The tool can be self-calibrated for accuracy.

Measure current, peak, average max, and absolute max SPLGraph histogram for SPL changesSave sound measurements
🔧 Utilities
(633)
free
15
SPLnFFT Noise Meter
SPLnFFT Noise Meter
SPLnFFT Noise Meter
Serious audio measurements
$3.99

This app provides advanced audio measurement capabilities, including sound level metering, frequency analysis, and signal generation. It offers both simple interfaces for daily use and detailed metrics for professional applications, with features compliant with industry standards.

Sound level meter (noise meter)Frequency analyzerFrequency meter
🔧 Utilities
(60)
free with in-app purchases
16
Enviro Noise Partner
Enviro Noise Partner
Enviro Noise Partner
Measure environmental noise
Free
🔧 Utilities
(0)
17
dBMeter - Decibelmeter
dBMeter - Decibelmeter
dBMeter - Decibelmeter
Measure noise in real time
Free

This application precisely measures sound intensity in real time using your device's microphone. It displays minimum, maximum, and average decibel levels, offers a noise-time graph, and allows for microphone calibration. The tool is ideal for monitoring ambient noise in various environments and exporting data for analysis.

Real-time decibel measurementMin, max, and average valuesNoise-time graph
🔧 Utilities
(7)
ad-supported
18
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
19
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
(293)
free with in-app purchases
20
dB Decibel Meter - Noise Level
dB Decibel Meter - Noise Level
dB Decibel Meter - Noise Level
Sound Level Frequency Analyzer
Free

Measure real-time sound levels with this tool, offering A-weighting and frequency analysis. Record audio, take photos, and capture videos with embedded decibel data for evidence and safety checks. Includes a reference guide for understanding noise ranges.

Real-time SPL measurementA-weighting and frequency weightingAudio recording with decibel data
🔧 Utilities
(4)
free with in-app purchases

FAQ about Noise Measurement

What are the best noise measurement apps for iPhone?
Decibel X:dB Sound Level Meter tops our noise measurement apps ranking as of July 2026, with a 4.7-star average from 160K App Store ratings, and it's free to download.
Yes — 17 of the top noise measurement apps we rank are free to download, including Decibel X:dB Sound Level Meter and NIOSH Sound Level Meter.
Decibel X:dB Sound Level Meter has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 224+ noise measurement apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Decibel X turns your iOS device into a professional sound level meter. It precisely measures the sound pressure level (SPL) around you and offers advanced features like frequency spectrum analysis and historical data management.
Key features include trusted accuracy with pre-calibrated measurements, Apple Watch support, Health App integration, various frequency weighting filters (A, C, Z, ITU-R 468), powerful history data management with export options, dosimeter functions, and real-time FFT and BAR graphs for frequency analysis.