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Best Noise Level Meter School Apps

224+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Finding the right noise level meter school apps can be overwhelming with so many options. We've analyzed 224+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Noise Level Meter School Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7β˜… (17K)NoNoAug 2026
2Noise Level: SonomΓ¨tre dBNoise Level: SonomΓ¨tre dBFree4.3β˜… (294)YesYesAug 2026
3Sound Meter (Decibel)Sound Meter (Decibel)Free4.5β˜… (3.1K)YesNoAug 2026
4Decibel X PRO: dBA Noise MeterDecibel X PRO: dBA Noise Meter$69.994.7β˜… (6.9K)NoNoAug 2026
5Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7β˜… (160K)NoYesAug 2026
6Decibel Meter MasterDecibel Meter MasterFree4.6β˜… (2.9K)NoNoAug 2026
7dB meter lite - noise measuredB meter lite - noise measureFree4.6β˜… (308)NoYesAug 2026
8dB Meter & Spectrum AnalyzerdB Meter & Spectrum Analyzer$29.994.7β˜… (865)NoYesAug 2026

Top Picks for Noise Level Meter School

NIOSH Sound Level Meter#1

NIOSH Sound Level Meter by EA LAB

Editor's Choice
πŸ”§ 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

  • πŸš€ Free and ad-free
  • πŸ‘ Simple and intuitive interface
  • βš–οΈ Accurate and reliable measurements
  • πŸ’‘ Useful for monitoring noise levels in various environments

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ”Œ Issues with external microphone support
  • πŸ”‹ Can drain battery when running for extended periods
Decibel Meter: Sound dB#2

Decibel Meter: Sound dB by OV MEDIA

Noise Level Tracker & SPL App
Strong Contender
πŸ”§ Utilities
4.3😊(294 ratings)
FreeAdsIn-App Purchases
Decibel Meter: Sound dB screenshot 1
Decibel Meter: Sound dB screenshot 2
Decibel Meter: Sound dB screenshot 3
Decibel Meter: Sound dB screenshot 4
Decibel Meter: Sound dB screenshot 5

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.

What We Love

  • πŸ‘ Accurate measurements
  • πŸš€ Easy to use
  • πŸ“Š Detailed data tracking
  • πŸ”” Helpful alerts

Room to Improve

  • πŸ’° Expensive subscription
  • πŸ› Inconsistent readings
  • πŸ€” Questionable accuracy
Sound Meter (Decibel)#3

Sound Meter (Decibel) by UniCom Technology

Measure the noise level
Worth Considering
πŸ”§ Utilities
4.5😐(3.1K ratings)
FreeAds
Sound Meter (Decibel) screenshot 1
Sound Meter (Decibel) screenshot 2
Sound Meter (Decibel) screenshot 3
Sound Meter (Decibel) screenshot 4
Sound Meter (Decibel) screenshot 5
Sound Meter (Decibel) screenshot 6

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.

What We Love

  • πŸš€ Works perfectly
  • πŸ‘ Easy to use and free
  • πŸ‘ Good simple UI
  • πŸ‘ Good basic sound level meter

Room to Improve

  • πŸ› Spelling mistake ('quiet' spelled as 'quite')
  • πŸ› Inaccurate readings compared to other apps
  • πŸ› Requires a subscription for basic recording

More Noise Level Meter School apps to explore

4
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)
πŸ”§ Utilities
(6.9K)
paid
5
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
πŸ”§ Utilities
(160K)
free with in-app purchases
6
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
πŸ”§ Utilities
(2.9K)
free
7
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
πŸ”§ Utilities
(308)
free with in-app purchases
8
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)
πŸ”§ Utilities
(865)
free with in-app purchases
9
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
dB Sound Test and Noise Meter
Free

Transform your phone into a professional sound level meter to measure decibel and hertz levels in real-time. Track environmental noise, set custom alerts for safe sound thresholds, and log data for later review. Features include graphical analysis and calibration options for accuracy.

Real-time sound level measurementGraphical and frequency analysisCustomizable sound alerts
πŸ”§ Utilities
(52)
free with in-app purchases
10
dB Meter Sound Level Meter
dB Meter Sound Level Meter
dB Meter Sound Level Meter
Simple noise decibel meter
Free

Measure ambient noise levels in decibels (dB) with this straightforward tool. It displays real-time sound volume in a large, easy-to-read format and allows you to track minimum, average, and maximum values. Customize the background and text colors for a personalized experience.

Real-time decibel measurementMin, average, and max value calculationStop and reset function
🌟 Lifestyle
(251)
ad-supported
11
Decibel Meter: Sound dB Level
Decibel Meter: Sound dB Level
Decibel Meter: Sound dB Level
Noise detection
Free

Measure ambient sound levels with high precision and real-time updates. Get detailed reports and location-based measurements. This app offers a simple, secure interface for understanding noise levels around you.

High-precision measurementReal-time measurementLocation information measurement
πŸ”§ Utilities
(359)
subscription
12
Simple Noise Meter
Simple Noise Meter
Simple Noise Meter
Sound meter for noise check
Free

Measure ambient sound levels in decibels with this straightforward utility. It provides a simple interface to start, stop, and reset noise measurements, offering a supplementary tool for understanding your environment's acoustics.

Real-time decibel measurementStart, stop, and reset functionsCalibration for accuracy
πŸ”§ Utilities
(1)
free with in-app purchases
13
Decibels: dB Sound Level Meter
Decibels: dB Sound Level Meter
Decibels: dB Sound Level Meter
Analyze audio with style
Free

Measure and analyze ambient noise levels with a stylish interface. Capture photos with sound level data, and share or print your findings. Enhance analysis with advanced features like frequency weighting and chart recording through an in-app purchase.

Analog dB(A) displayPhoto with sound levelShare/print/store photos
πŸ”§ Utilities
(261)
free with in-app purchases
14
i Sound Level Meter
i Sound Level Meter
i Sound Level Meter
( Voice Meter )
Free

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

Measures ambient noise levelsTracks maximum noise valuesTracks minimum noise values
πŸ”§ Utilities
(33)
ad-supported
15
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
πŸ”§ Utilities
(345)
free with in-app purchases
16
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Spectrum frequency analyzer
Free

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Measure sound pressureSpectrum frequency analysisReference chart comparison
πŸ”§ Utilities
(4.5K)
subscription
17
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
by η₯₯η₯Ž 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
πŸ”§ Utilities
(470)
free
18
Sound Meter - dB Noise Level
Sound Meter - dB Noise Level
Sound Meter - dB Noise Level
Real-time noise level in dB
Free
πŸ”§ Utilities
(0)
19
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Noise Level Meter & Measure
Free

This application transforms your device into a real-time sound level meter. It accurately measures and analyzes ambient noise in decibels and frequency, helping you monitor your surroundings and maintain safe sound levels.

Real-time noise level measurementDecibel (dB) monitoringFrequency analysis
πŸ”§ Utilities
(1)
free with in-app purchases
20
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
πŸ”§ Utilities
(907)
free with in-app purchases

FAQ about Noise Level Meter School

What are the best noise level meter school apps for iPhone?
NIOSH Sound Level Meter tops our noise level meter school apps ranking as of June 2026, with a 4.7-star average from 17K App Store ratings, and it's free to download.
Yes — 18 of the top noise level meter school apps we rank are free to download, including NIOSH Sound Level Meter and Noise Level: Sonomètre dB.
NIOSH Sound Level Meter has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 224+ noise level meter school apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a professional sound level meter and noise dosimeter, allowing you to measure ambient noise levels and assess noise exposure. It provides key metrics like LAeq, TWA, Max, and Peak levels, as well as noise dose calculations according to NIOSH and OSHA standards.
The app has been tested and validated for accuracy, with a tolerance of Β± 2 dBA, according to standards in a reverberant chamber at the NIOSH acoustics lab. When used with an external microphone, it meets Type 2 requirements of the IEC 61672:3 SLM standard.