Best Sound Level Pressure Apps

243+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated August 2026

If you already know NIOSH Sound Level Meter, this is the deeper bench. 243+ sound level pressure apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Sound Level Pressure Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1NIOSH Sound Level MeterNIOSH Sound Level MeterFree4.7★ (17K)NoNoAug 2026
2Sound Meter (Decibel)Sound Meter (Decibel)Free4.5★ (3.1K)YesNoAug 2026
3Decibel Metre (Sound Meter)Decibel Metre (Sound Meter)Free4.5★ (577)YesNoAug 2026
4mySoundAnalyzer - Decibel ToolmySoundAnalyzer - Decibel ToolFreeYesYesMay 2026
5SoundLevel: Decibel ReadingSoundLevel: Decibel ReadingFree3.0★ (4)NoYesAug 2026
6Noise Meter - Sound & DecibelNoise Meter - Sound & DecibelFreeYesNoAug 2026
7Decibel - sound level meterDecibel - sound level meterFree4.1★ (412)NoYesAug 2026
8Sound Meter - Decibel Meter !Sound Meter - Decibel Meter !Free3.5★ (2)NoYesMay 2026

Top Picks for Sound Level Pressure

NIOSH Sound Level Meter#1

NIOSH Sound Level Meter by EA LAB

Editor's Choice
🔧 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
Sound Meter (Decibel)#2

Sound Meter (Decibel) by UniCom Technology

Measure the noise level
Strong Contender
🔧 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

  • 🚀 Works perfectly
  • 👍 Easy to use and free
  • 👍 Good simple UI
  • 👍 Good basic sound level meter

Room to Improve

  • 🐛 Spelling mistake ('quiet' spelled as 'quite')
  • 🐛 Inaccurate readings compared to other apps
  • 🐛 Requires a subscription for basic recording
Decibel Metre (Sound Meter)#3

Decibel Metre (Sound Meter) by UniCom Technology

Measure the environment noise
Worth Considering
🔧 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

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

Room to Improve

  • 🐛 Inaccurate readings
  • 🐛 Inconsistent measurements
  • 🐛 Reset button doesn't reset average value

More Sound Level Pressure apps to explore

4
mySoundAnalyzer - Decibel Tool
mySoundAnalyzer - Decibel Tool
mySoundAnalyzer - Decibel Tool
Measure Sound Noise & Loudness
Free
🔧 Utilities
(0)
5
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
by Smudge Apps Ltd
Free

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.

Quick sound level measurementsCalibrated dBA readingsComparison values
🔧 Utilities
(4)
free with in-app purchases
6
Noise Meter - Sound & Decibel
Noise Meter - Sound & Decibel
Noise Meter - Sound & Decibel
Decibel sound level meter
Free
🔧 Utilities
(0)
7
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
(412)
subscription
8
Sound Meter - Decibel Meter !
Sound Meter - Decibel Meter !
Sound Meter - Decibel Meter !
Sound Level Meter - dB Meter
Free

This application utilizes your device's microphone to measure ambient noise levels in decibels (dB). It displays current, minimum, average, and maximum readings, and presents data through a gauge and graph for easy comprehension. It serves as a tool to detect and understand environmental noise.

Measures noise in decibels (dB)Displays current, min, avg, max valuesVisualizes decibel levels with a gauge
🔧 Utilities
(2)
free
9
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
🔧 Utilities
(359)
subscription
10
Level: Sound Level Meter
Level: Sound Level Meter
Level: Sound Level Meter
Set & Match Speaker Levels
Free

This app provides a live sound-level meter and a pink-noise generator to help you set speaker levels, match channels, and verify system balance. It's designed for precise audio calibration without needing multiple tools.

Live decibel readingBuilt-in pink-noise generatorPeak-hold maximum marker
🔧 Utilities
(1)
free
11
dB Decibel Meter - sound level measurement tool
dB Decibel Meter - sound level measurement tool
dB Decibel Meter - sound level measurement tool
by Marina Polyanskaya
$1.99

Measure sound levels with your phone. This tool offers accurate decibel readings for private use, featuring a user-friendly design and detailed charts for understanding sound impact. It's a convenient way to gauge audio volumes around you.

Accurate decibel measurementsUser-friendly designSound level charts
📊 Productivity
(241)
free
12
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
🔧 Utilities
(50)
free with in-app purchases
13
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
🔧 Utilities
(161K)
free with in-app purchases
14
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
(20)
free with in-app purchases
15
Sound Level · Baro
Sound Level · Baro
Sound Level · Baro
Offline & private dB meter
$0.99

This app measures ambient sound levels in decibels, displaying them in a large, easy-to-read format with color-coded zones for hearing safety. It operates entirely offline and prioritizes user privacy by processing all audio data on the device without recording or uploading anything.

Live dB readoutColor-coded hearing safety zonesSession min, average, and max
🔧 Utilities
(1)
free
16
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
🔧 Utilities
(52)
free with in-app purchases
17
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Decibel: dB Sound Meter
Noise Exposure & Daily Dose
Free

This app provides precise sound level measurements and audio analysis using professional weighting filters and real-time FFT spectrum analysis. It functions as a dosimeter for workplace safety and allows for easy sharing of dB data overlays on photos.

Professional Frequency Weighting (ITU-R 468, A/B/C/Z)Real-Time FFT Spectrum AnalysisNIOSH & OSHA Standard Dosimeter
🌟 Lifestyle
(2)
free with in-app purchases
18
Decibel Meter - Sound DB Level
Decibel Meter - Sound DB Level
Decibel Meter - Sound DB Level
Noise, Volume, Hertz Measure
Free

Transform your device into a professional sound detector with detailed visual analysis. This app measures environmental noise levels using your smartphone's microphone and displays results on a chart. It's designed for personal use and offers accurate sound level measurements.

Environmental noise trackingProfessional grade sound detectorDetailed visual analysis
🔧 Utilities
(4)
free with in-app purchases
19
Smart Sound Meter
Smart Sound Meter
Smart Sound Meter
by NETIGEN Kluzowicz sp. j.
Free

This utility app measures sound pressure levels using your device's microphone. It displays decibel readings and offers a reference for various noise levels. Note that hardware limitations may affect accuracy for very loud sounds.

Measures sound pressure level (SPL)Displays readings in decibels (dB)Uses built-in microphone
🔧 Utilities
(6)
free
20
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
🔧 Utilities
(274)
free with in-app purchases

FAQ about Sound Level Pressure

What are the best sound level pressure apps for iPhone?
NIOSH Sound Level Meter tops our sound level pressure apps ranking as of August 2026, with a 4.7-star average from 17K App Store ratings, and it's free to download.
Yes — 18 of the top sound level pressure apps we rank are free to download, including NIOSH Sound Level Meter and Sound Meter (Decibel).
NIOSH Sound Level Meter has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 243+ sound level pressure apps on the iOS App Store as of August 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 ± 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.