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Best Measure Sound Frequency Apps

227+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated June 2026

Out of 227+ measure sound frequency apps on iOS, 18 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 Measure Sound Frequency

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
Sound Spectrum Analysis#2

Sound Spectrum Analysis by Dmitriy Kharutskiy

Audio Frequency Analyzer (RTA)
Strong Contender
🔧 Utilities
3.6(41 ratings)
FreeIn-App Purchases
Sound Spectrum Analysis screenshot 1
Sound Spectrum Analysis screenshot 2
Sound Spectrum Analysis screenshot 3
Sound Spectrum Analysis screenshot 4
Sound Spectrum Analysis screenshot 5
Sound Spectrum Analysis screenshot 6

This application analyzes sound spectra in real-time using a microphone, offering features such as FFT, linear and logarithmic scales, and various window functions. It can be used to measure noise levels, detect peak frequencies, and export data, making it a useful tool for sound analysis and measurement.

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 Measure Sound Frequency 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
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

This app is a powerful real-time audio analysis tool with features like FFT plot, octave band real-time analyzer, and various measurement functions. It offers precise measurements using device-integrated microphones, AirPods support, and external microphone compatibility. Explore more features and functionalities by checking out the app!

🎵 Music
(236)
6
Frequency: Sound Generator
Frequency: Sound Generator
Frequency: Sound Generator
by Lucija Jaksic
Free

Generate a sound wave at any frequency between 1Hz and 22,000Hz with our easy-to-use sound generator. Test your speakers, tune your instruments, or simply explore the world of sound frequencies. Download now to take control of your audio experience.

🔧 Utilities
(340)
7
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Heal Naturally, Inner Harmony
Free

Experience a transformative audio journey with Frequency: Healing Sounds. Immerse yourself in Hz sound frequencies designed to enhance relaxation, focus, and well-being. Rediscover harmony and balance with our curated collection of healing sounds. Try it now for a peaceful state of mind.

💪 Health & Fitness
(2.3K)
8
Frequency Analyzer
Frequency Analyzer
Frequency Analyzer
Audio Spectrum, Spectroid, dB
Free

Transform your device into a professional-grade audio analysis suite with industry-leading processing, precision calibration tools, and comprehensive visualization capabilities. Download now and unlock the full spectrum of acoustic measurement capabilities for applications such as acoustic measurement, audio engineering, environmental noise consulting, and more.

🔧 Utilities
(97)
9
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)
10
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)
11
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)
12
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)
13
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)
14
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Octave Analysis)
Free
$10.99 | 100% OFF

This app is a versatile Audio/Spectrum Analyzer that allows users to view and analyze audio waveforms and amplitude spectrums from microphone input. It offers customization options for display settings, FFT size, window functions, waveform generation, and noise signal generation. Additionally, it supports Bluetooth connection policies and offers an option to hide advertisements through an in-app purchase. For a more advanced multi-channel audio signal experience, users can try out the "Multi Wave Oscillator" linked within the app's settings.

🎵 Music
(129)
15
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)
16
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)
17
High Frequency Sounds
High Frequency Sounds
High Frequency Sounds
by Leafgreen
Free

Listen to various high frequency sounds and test your hearing abilities! Explore how age affects your capacity to detect high pitched noises with these fast sound wave vibrations.

🎬 Entertainment
(33)
18
Decibel Meter - Sound Level.
Decibel Meter - Sound Level.
Decibel Meter - Sound Level.
Measure Noise & Frequency
Free
🔧 Utilities
(0)
19
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Sound & Decibel Meter - dBScan
Noise Level Meter & Measure
Free
🔧 Utilities
(1)
20
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)

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