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Best Sound Level Environmental Apps

223+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated May 2026

With an average user rating of 4.4β˜…, the sound level environmental category is one of the App Store's strongest. Browse all 223+ apps we track, sorted so the most loved ones surface first.

Compare top Sound Level Environmental Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Decibel Metre (Sound Meter)Decibel Metre (Sound Meter)Free4.5β˜… (577)YesNoJul 2026
2SoundLevel: Decibel ReadingSoundLevel: Decibel ReadingFree3.0β˜… (4)NoYesMay 2026
3Noise Level: SonomΓ¨tre dBNoise Level: SonomΓ¨tre dBFree4.3β˜… (294)YesYesJul 2026
4NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7β˜… (16K)NoNoJul 2026
5Decibel Meter UltraDecibel Meter UltraFree4.6β˜… (2.3K)YesYesJul 2026
6Sound Meter (Decibel)Sound Meter (Decibel)Free4.6β˜… (2.6K)YesNoJul 2026
7Water Eject - Clear Wave +Water Eject - Clear Wave +Free4.5β˜… (6.6K)NoYesJul 2026
8Decibel Meter dB (Sound Meter)Decibel Meter dB (Sound Meter)Free4.4β˜… (1.2K)YesYesJul 2026

Top Picks for Sound Level Environmental

Decibel Metre (Sound Meter)#1

Decibel Metre (Sound Meter) by UniCom Technology

Measure the environment noise
Editor's Choice
πŸ”§ Utilities
4.5😐(577 ratings)
FreeAds
Decibel Metre (Sound Meter) screenshot 1
Decibel Metre (Sound Meter) screenshot 2
Decibel Metre (Sound Meter) screenshot 3
Decibel Metre (Sound Meter) screenshot 4
Decibel Metre (Sound Meter) screenshot 5
Decibel Metre (Sound Meter) screenshot 6

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.

What We Love

  • πŸ‘ Simple and easy to use
  • πŸ‘ Helpful tool for measuring sound levels
  • πŸ‘ Straightforward and effective
  • πŸ‘ Genuinely free and useful

Room to Improve

  • πŸ› Inaccurate readings
  • πŸ› Inconsistent measurements
  • πŸ› Reset button doesn't reset average value
SoundLevel: Decibel Reading#2

SoundLevel: Decibel Reading by Smudge Apps Ltd

Strong Contender
πŸ”§ Utilities
3.0(4 ratings)
FreeIn-App Purchases
SoundLevel: Decibel Reading screenshot 1
SoundLevel: Decibel Reading screenshot 2
SoundLevel: Decibel Reading screenshot 3
SoundLevel: Decibel Reading screenshot 4

Measure ambient noise levels with calibrated dBA readings that mimic human hearing. Compare current sound levels to familiar benchmarks and review historical data with intuitive graphs. Export your findings for further analysis with optional pro features.

Noise Level: Sonomètre dB#3

Noise Level: Sonomètre dB by OV MEDIA

Mesurer le bruit sur iPhone
Worth Considering
πŸ”§ Utilities
4.3😊(294 ratings)
FreeAdsIn-App Purchases
Noise Level: Sonomètre dB screenshot 1
Noise Level: Sonomètre dB screenshot 2
Noise Level: Sonomètre dB screenshot 3
Noise Level: Sonomètre dB screenshot 4
Noise Level: Sonomètre 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

More Sound Level Environmental apps to explore

4
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB
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
πŸ”§ Utilities
(16K)
free
5
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
πŸ”§ Utilities
(2.3K)
free with in-app purchases
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
πŸ”§ Utilities
(2.6K)
ad-supported
7
Water Eject - Clear Wave +
Water Eject - Clear Wave +
Water Eject - Clear Wave +
Powerful sonic sound waves
Free

Generate powerful and clean sonic sound waves. This app functions as a speaker booster and waves generator, aiming to make audio sound perfect. Full access to features requires a subscription.

Clean sound generationSpeaker boost functionalityWaves generator
πŸ”§ Utilities
(6.6K)
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
πŸ”§ Utilities
(1.2K)
free with in-app purchases
9
Bubble Level 2022
Bubble Level 2022
Bubble Level 2022
Level in the palm of your hand
Free

Transform your smartphone into a versatile bubble level tool. It offers multiple viewing options, displays angles and slopes in percentages or roof pitch, and includes sound effects and orientation locking for precise measurements.

Digital bubble levelAngle and slope measurementPercentage and roof pitch display
πŸ”§ Utilities
(6.1K)
ad-supported
10
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
(156K)
free with in-app purchases
11
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
(221)
free with in-app purchases
12
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
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)
πŸ”§ Utilities
(6.9K)
paid
14
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
πŸ”§ Utilities
(36K)
freemium
15
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
(37)
free with in-app purchases
16
Decibel Meter：Sound Level
Decibel Meter：Sound Level
Decibel Meter：Sound Level
DB Level Analyser
Free

Measure sound levels with high precision in real-time. This app provides detailed reports, location data, and allows for easy sharing and export of audio measurements. Its minimalist design ensures a simple, one-click measurement experience.

Real-time high-precision measurementLocation information for measurementsDetailed measurement reports
πŸ”§ Utilities
(247)
free with in-app purchases
17
Decibel - dB Sound Level Meter
Decibel - dB Sound Level Meter
Decibel - dB Sound Level Meter
Hertz, Audio Spectrum Analyzer
Free

Transform your device into a professional sound level meter to detect harmful noises and protect your hearing. It also allows you to test and track your stereo and hearing performance with detailed history management. The app offers accurate measurements and a quick hearing test.

Professional sound level meterHearing performance testingStereo and bass sound testing
πŸ”§ Utilities
(36)
free with in-app purchases
18
Decibel Meter - dB Noise Level
Decibel Meter - dB Noise Level
Decibel Meter - dB Noise Level
NIOSH & OSHA Measuring Tool
Free

This tool transforms your iPhone into a real-time sound level meter. It measures and displays environmental noise in decibels, helping you monitor sound at home, work, or outdoors. Protect your hearing by detecting loud noises and staying aware of your sound environment.

Real-time decibel measurementDynamic graph displayMin/Max/Average sound levels
πŸ”§ Utilities
(55)
free with in-app purchases
19
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
20
Decibel Sound Level Meter
Decibel Sound Level Meter
Decibel Sound Level Meter
Audio Noise Level Analyzer
Free

This utility app measures ambient sound levels in real-time, providing precise decibel readings. It offers features like location tagging, a decibel camera, and the ability to record, export measurement history, and audio data.

Real-time decibel measurementLocation informationDecibel camera
πŸ”§ Utilities
(50)
free with in-app purchases

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FAQ about Sound Level Environmental

What are the best sound level environmental apps for iPhone?
Decibel Metre (Sound Meter) tops our sound level environmental apps ranking as of May 2026, with a 4.5-star average from 577 App Store ratings, and it's free to download.
Yes β€” 19 of the top sound level environmental apps we rank are free to download, including Decibel Metre (Sound Meter) and SoundLevel: Decibel Reading.
Decibel Metre (Sound Meter) shows ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 223+ sound level environmental apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a smart sound level meter for iOS devices. It uses your device's built-in microphone to measure ambient sound volume in decibels (dBA) and displays this information on a digital screen. It also provides a graphical representation of sound samples over time.
Key features include indicating decibel levels on a digital screen, displaying the current noise reference, showing minimum, average, and maximum decibel values, and visualizing decibel levels on a graph line. It leverages your device's microphone for measurements.