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Best Sound Measurement Apps

234+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated May 2026

Decibel X is the household name in sound measurement, but it's far from the only option. We track 234+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Sound 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😐(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

Transform your iOS device into a professional sound level meter with pre-calibrated accuracy and various frequency spectrum analysis tools. Measure sound pressure levels, export data to Health app, and enjoy features like FFT graphs, dosimeter readings, and InstaDecibel for social sharing. Experience the convenience of tracking noise levels with precision and ease.

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 Sound Detector#2

Decibel Meter Sound Detector by Ashraf Thoppukadavil

Track noise around you.
Strong Contender
📊 Productivity
4.7😊(48K 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

Track environmental noise levels with an easy-to-use decibel meter app that provides detailed analysis through dB and AF readings. Share readings, utilize polling, and explore various features for sound monitoring. Contact info@ashiers.com for more information.

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
NIOSH Sound Level Meter#3

NIOSH Sound Level Meter by EA LAB d.o.o.

Worth Considering
🔧 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 award-winning app, developed by acoustics engineers and hearing loss experts, offers a simple and free solution for measuring sound levels accurately. It provides essential metrics, calibration options, educational resources, and expert support, making it a comprehensive tool for monitoring noise exposure and protecting hearing. Click the link to access the app: [NIOSH Sound Level Meter](https:/www.cdc.gov/niosh/topics/noise/app.html).

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

More Sound 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

An advanced sound level meter app with a built-in Spectrum Analyzer for precise measurements. Monitor noise levels, save measurements, export data, and protect your hearing using various features. Download now for accurate sound monitoring and protection.

🔧 Utilities
(36K)
5
Sound Meter (Decibel)
Sound Meter (Decibel)
Sound Meter (Decibel)
Measure the noise level
Free

Measure environmental noise levels with this sound meter app, displaying decibel values in various forms. Features include gauge indication, noise reference display, recording storage, and more. Try it for an easy way to monitor sound levels!

🔧 Utilities
(2.6K)
6
Decibel Meter Ultra
Decibel Meter Ultra
Decibel Meter Ultra
Noise Level Frequency Analyzer
Free

Measure the sound levels around you accurately with our Decibel Meter Ultra app. Stay informed and protect your hearing by monitoring noise levels in real-time. Download now for a quieter and safer environment.

🔧 Utilities
(272)
7
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Noise Level Analyzer + Measure
Free

An advanced Sound Level Analyser application that measures sound volume in decibels, providing real-time readings with a volume value timeline and calibration settings for device microphones. It includes an Apple Watch feature for measuring sound volume independently of an iPhone. Experience precise sound measurements with this app - download now!

🔧 Utilities
(1.2K)
8
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

An essential sound level measurement tool with high accuracy for measuring audio volumes conveniently on iPhone. Max measurement limit set to 120 dB. Contact support@lspapps.com for questions or suggestions.

📊 Productivity
(244)
9
Decibel Meter - Sound Meter
Decibel Meter - Sound Meter
Decibel Meter - Sound Meter
Sound measurement tool.
Free

Turn your smartphone into a sound measuring device with this app, which uses a built-in microphone to display current decibel levels and provides comprehensive data analysis, including average, min, and max values. Start measuring sound levels now and get instant readings, shareable data, and historical tracking with customizable settings.

🔧 Utilities
(222)
10
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Decibel X PRO: dBA Noise Meter
Frequency Spectrum Analyzer
$69.99

Transform your iOS device into a professional sound level meter with our leading noise meter app. Measure sound pressure levels accurately and protect your hearing, whether you're an audio expert or simply curious about your surroundings. See noise levels on your Apple Watch, export data to the Health app, and enjoy features like frequency analysis and dosimeter readings.

🔧 Utilities
(6.9K)
11
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

Get precise sound measurements on your smartphone with AudioTools. Measure dB levels, analyze sound frequencies, and optimize audio equipment for the best sound quality on the go. Download now for accurate audio analysis!

🎵 Music
(5K)
12
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

This app is a Frequency Sound Generator that can produce sound frequencies from 1Hz to 25,000Hz for various purposes such as annoying pets, training dogs, stopping dog barking, pranking friends, and using as a mosquito repellent. Adjust frequencies easily and get in touch via email for support.

🔧 Utilities
(4.8K)
13
i Sound Level Meter
i Sound Level Meter
i Sound Level Meter
( Voice Meter )
Free

This application measures the noise level around you using your smartphone, allowing you to check maximum and minimum values. Download it to start measuring the noise around you and get an idea of the sound levels.

🔧 Utilities
(33)
14
Decibel Metre (Sound Meter)
Decibel Metre (Sound Meter)
Decibel Metre (Sound Meter)
Measure the environment noise
Free

Measure sound levels with precision using our smart sound level meter app for IOS. This app utilizes your device's microphone to provide accurate decibel readings and visual representations on a graph. Check decibel levels, track fluctuations, and stay informed about your surroundings.

🔧 Utilities
(577)
15
Sound Meter - Decibel Pro
Sound Meter - Decibel Pro
Sound Meter - Decibel Pro
dB Meter: Decibel Sound Level
Free

This sound level meter app measures environmental noise in decibel values, helping users evaluate and monitor noise levels around them, and protecting them from noise pollution. Download this free app to turn your phone into a sound meter tool and take control of your noise environment.

🔧 Utilities
(28)
16
Sound Meter
Sound Meter
Sound Meter
by Hiep Pham
Free
$0.99 | 100% OFF

This application measures noise and sound levels in decibels, providing an easy-to-use tool to help protect your hearing with a reference decibel level table and the ability to store history for future consideration. Download now to start monitoring sound levels and taking care of your ears.

🔧 Utilities
(15)
17
Sound Meter HQ
Sound Meter HQ
Sound Meter HQ
Measure noise and sound level
Free
🔧 Utilities
(327)
18
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
SoundLevel: Decibel Reading
by Smudge Apps Ltd
Free

This application provides a simple way to measure the current sound level of your environment, with readings calibrated to match the human ear. It allows you to view and graph your results over time, and even export them as a CSV file with a one-time in-app purchase, making it a must-have tool for quick and easy sound measurements.

🔧 Utilities
(4)
19
Decibel Meter Master
Decibel Meter Master
Decibel Meter Master
Tool for measuring sound level
Free

Measure noise levels with precision using a convenient sound level meter on your iPhone with this app. Download now to accurately gauge sound levels in your surroundings.

🔧 Utilities
(2.9K)
20
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Noise Level Meter & Measure
Free
🔧 Utilities
(1)

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