Best Frequency Meter Audio Apps

229+ iOS apps curated and reviewed

4.3 avg rating
15 free apps
Updated June 2026

With an average user rating of 4.3β˜…, the frequency meter audio category is one of the App Store's strongest. Browse all 229+ apps we track, sorted so the most loved ones surface first.

Top Picks for Frequency Meter Audio

Frequency Analyzer#1

Frequency Analyzer by Manfred Kuegel

Audio Spectrum, Spectroid, dB
Editor's Choice
πŸ”§ Utilities
4.5(97 ratings)
FreeIn-App Purchases
Frequency Analyzer screenshot 1
Frequency Analyzer screenshot 2
Frequency Analyzer screenshot 3
Frequency Analyzer screenshot 4
Frequency Analyzer screenshot 5
Frequency Analyzer screenshot 6

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

Decibel X PRO: dBA Noise Meter#2

Decibel X PRO: dBA Noise Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Strong Contender
πŸ”§ Utilities
4.7😊(6.9K ratings)
$69.99
Decibel X PRO: dBA Noise Meter screenshot 1
Decibel X PRO: dBA Noise Meter screenshot 2
Decibel X PRO: dBA Noise Meter screenshot 3
Decibel X PRO: dBA Noise Meter screenshot 4
Decibel X PRO: dBA Noise Meter screenshot 5
Decibel X PRO: dBA Noise Meter screenshot 6

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.

What We Love

  • πŸ‘ Works well
  • πŸš€ Keeps getting better with updates
  • πŸ’‘ Useful for monitoring noise levels
  • πŸ’‘ Helps protect hearing

Room to Improve

  • πŸ› Data transfer issues between devices
  • πŸ› Crashes and stability issues
  • πŸ› Camera crashes
Audio Spectrum Analyzer dB RTA#3

Audio Spectrum Analyzer dB RTA by Marina Polyanskaya

Sound frequency, decibel meter
Worth Considering
🎡 Music
4.5😐(3K ratings)
FreeIn-App Purchases
Audio Spectrum Analyzer dB RTA screenshot 1
Audio Spectrum Analyzer dB RTA screenshot 2
Audio Spectrum Analyzer dB RTA screenshot 3

Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.

What We Love

  • πŸš€ Excellent audio analysis tool
  • πŸ‘ Clean and intuitive interface
  • πŸ’‘ Customizable frequency range
  • πŸ” Accurate real-time spectrum visualization

Room to Improve

  • πŸ› Compatibility issues with newer iOS versions
  • πŸ” Constant prompts to upgrade to Pro version
  • πŸ”Œ High battery consumption

More Frequency Meter Audio apps to explore

4
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
5
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Audio Tone & Sound Analyzer
Free

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

Dominant frequency measurement (Hz)Instrument tuning with note and pitch displayMotor RPM analysis
πŸ”§ Utilities
(3)
ad-supported
6
Decibel Meter-measure db level
Decibel Meter-measure db level
Decibel Meter-measure db level
Frequency Spectrum Analyzer
Free

Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.

Military-grade algorithmProfessional GB weighted detectionNoise recording
πŸ”§ Utilities
(905)
free with in-app purchases
7
NIOSH Sound Level Meter
NIOSH Sound Level Meter
NIOSH Sound Level Meter
by EA LAB d.o.o.
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
8
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
9
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Audio spectrum analyzer EQ Rta
Sound frequency, decibel meter
$3.99

This app provides real-time audio analysis and visualization for sound frequency and decibel levels. It's designed for precise audio measurement, suitable for both hobbyists and professionals tuning rooms or speakers.

Octave Band Real-Time AnalyzerFFT PlotSmooth HD Graphics
πŸ“Š Productivity
(245)
free
10
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer
Noise & sound level decibel
$29.99

Measure ambient noise levels with professional-quality accuracy. This app offers a spectrum analyzer, hearing test, and the ability to save and share measurements with location data. It's a powerful, cost-effective tool for personal sound monitoring.

Professional-quality sound level measurementIntegrated spectrum analyzerNoise dosimeter (NIOSH/OSHA)
πŸ”§ Utilities
(858)
free with in-app purchases
11
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

Generate sine, square, triangle, and sawtooth tonesFrequency and volume sweep generationNoise generation (white, pink, violet, etc.)
πŸ”§ Utilities
(2.1K)
free with in-app purchases
12
Frequency Meter PRO
Frequency Meter PRO
Frequency Meter PRO
Professional tool
$2.99

Analyze audio frequencies in real-time using your device's microphone. Visualize audio levels, noise, and frequency ranges with a spectrum analyzer and oscilloscope. Export data for further analysis.

Real-time audio scanningSpectrum analyzer visualizationFrequency oscilloscope
🎡 Music
(29)
paid
13
Frequency Generator: Tone & Hz
Frequency Generator: Tone & Hz
Frequency Generator: Tone & Hz
Audio Waves: Spectrum Analyzer
Free

Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.

Multiple waveform generation (Sine, Triangle, Sawtooth, Square)Real-time frequency and sound level analysisHearing test and monitoring
🎡 Music
(66)
freemium
14
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
AudioTools, dB, Sound & Audio
RTA, Acoustics Measurement SPL
$19.99

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

SPL Meter with A/C weightingReal Time Analyzer (RTA)Fast Fourier Transform (FFT) analysis
🎡 Music
(5K)
free with in-app purchases
15
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Decibel Meter Noise DB Reader
Frequency Generator & Analyzer
Free

Transform your device into a professional sound analysis tool. Measure real-time noise levels, analyze frequencies, and generate various sound waves for audio testing and instrument tuning. Save and share your acoustic reports.

Real-time decibel monitoringAdvanced frequency analyzerMulti-wave sound generator
🎡 Music
(13)
free with in-app purchases
16
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
17
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
18
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Audio Spectrum Analyzer Pro
Sound Frequency Analysis
Free

Analyze sound frequencies in real-time with this powerful tool. It offers detailed octave band analysis, FFT plots, and various measurement scales. Supports multiple microphones and noise analysis features for accurate audio insights.

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)
🎡 Music
(236)
free with in-app purchases
19
Decibel Meter X
Decibel Meter X
Decibel Meter X
Audio spectrum analyzer
Free

This application precisely measures sound levels and analyzes audio spectrums. It can also generate specific frequency sounds for testing, research, or therapeutic purposes. Its intuitive interface makes sound exploration accessible to all users.

Precise decibel level measurementAudio spectrum analysisSpectrogram display
πŸ”§ Utilities
(18)
free
20
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