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Best Sound Monitor Apps

232+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated May 2026

Out of 232+ sound monitor apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Sound Monitor

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
NIOSH Sound Level Meter#2

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

Strong Contender
🔧 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
Sound Meter (Decibel)#3

Sound Meter (Decibel) by Unicom TOV

Measure the noise level
Worth Considering
🔧 Utilities
4.6😐(2.6K 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

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!

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

More Sound Monitor 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
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

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.

📊 Productivity
(48K)
6
DB Navigator
DB Navigator
DB Navigator
Timetables & Tickets
Free

Access timetables, plan journeys, and purchase tickets for trains, buses, and trams with ease. Stay informed and get around efficiently.

✈️ Travel
(1.5K)
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
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)
9
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Audio Spectrum Analyzer dB RTA
Sound frequency, decibel meter
Free

An advanced audio analysis app with features like real-time spectrum analysis, sound meter, and FFT plot for tuning home cinema, car stereo, and more. Experience precise frequency breakdowns and harmonic analysis with smooth HD graphics. Contact support for questions or feedback.

🎵 Music
(3K)
10
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Noise Guru: Decibel Meter
Sound level meter, audio tools
Free

Monitor and measure sound levels with precision using our decibel meter app. Protect your hearing health, set noise standards, and find quiet recording spots effortlessly. Take control of your sound environment today.

🔧 Utilities
(299)
11
Decibel - sound level meter
Decibel - sound level meter
Decibel - sound level meter
Spectrum frequency analyzer
Free

Measure sound pressure and spectrum variations with the Decibel app. Compare recordings to a reference chart, save your history, and enjoy a user-friendly interface. Subscribe for access to premium features and unlimited recordings.

🔧 Utilities
(4.5K)
12
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)
13
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)
14
Decibel HRMS
Decibel HRMS
Decibel HRMS
HRMS
Free

This cloud-based HR and finance management solution allows you to automate and organize daily HR functions, saving time and effort. With this mobile app, you can access and manage various HR and finance tasks, such as employee profiles, pay statements, attendance, leave balance, and benefits, all in one place.

💼 Business
(4)
15
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Noise Level Meter & Measure
Free
🔧 Utilities
(1)
16
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)
17
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
Decibel Meter: dB Sound Meters
dB Sound Test and Noise Meter
Free

Turn your phone into a professional sound level meter to measure decibel (dB) levels and hertz (Hz) sound in real-time. Measure sound intensity, set custom alerts, and log data for later review with a clean and intuitive interface.

🔧 Utilities
(37)
18
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Decibel Meter - Sound Level dB
Audio Noise Frequency Analyzer
Free

Measure ambient noise levels and sound exposure intensity with the Decibel Meter app. Get real-time decibel readings, comply with NIOSH and OSHA standards, and protect against noise pollution. Download now for accurate noise monitoring and health safety.

🔧 Utilities
(1.2K)
19
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
Decibel - Accurate dB Meter
by 祥祎 刘
Free

Transform your iOS devices into a precise sound meter with this free tool. Measure sound pressure levels to protect your hearing from dangerous decibel levels. Whether for work or leisure, easily gauge sound intensity around you.

🔧 Utilities
(470)
20
Sleep Tracker & Snore Monitor
Sleep Tracker & Snore Monitor
Sleep Tracker & Snore Monitor
Sleep Sounds Recorder
Free

Sleepez - Fall asleep with sleep stories! Harness the power of nature's surroundings and science-proven methods to help you sleep soundly. Join us on a sleep journey and create your perfect sleep atmosphere today! Subscribe for the ultimate sleep experience.

💪 Health & Fitness
(1.1K)

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