Best Frequency Meter Audio Apps

Octave Band Real-Time AnalyzerFFT Plot - Fast Fourier TransformIntegrated Sound Level Meter (dB-A)

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.

🎵 Music

(3K)

Audio Spectrum, Spectroid, dB

Frequency Analyzer

Real-time FFT analysisCalibrated SPL measurements32-bit float audio recording

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.

(151)

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export

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.

(160K)

Decibel : dB Noise Level Meter

Audio Sound Frequency Analyzer

Real-time sound level measurement (dB)Noise exposure monitoring (Dosimeter)Interactive recording and visualization

Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.

(250)

Decibel Meter - Sound Level dB

Audio Noise Frequency Analyzer

Real-time decibel meterMIN, AVG, MAX sound level displayNoise dosimeter (NIOSH/OSHA compliant)

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

Frequency Counter+ Hz FFT

(1.2K)

subscription

Tuner · RPM · 50/60Hz Meter

Dominant frequency measurement (Hz)Instrument tuning with note and pitch displayMotor RPM analysis

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.

(3)

ad-supported

NIOSH Sound Level Meter

by EA LAB

Sound level measurementNoise dosimetryHearing hazard information

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.

Decibel Meter Sound Detector

(17K)

free

Track noise around you.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

📊 Productivity

(54K)

Tone Generator: Audio Sound Hz

Generate Audio Frequency Waves

Generate sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning

Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

This application functions as a professional-grade sound level meter, measuring decibels (dB) with advanced DSP algorithms. It offers adjustable filters, decay rates, and ranges, and can be calibrated for accuracy. It supports both internal and external microphones for versatile sound measurement.

A and C weighting filtersANSI Fast or Slow decay40dB to 120dB ranges

Measure Sound and Noise Levels

Precision sound level meteringNoise logging and reportingHearing protection dosimeter

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

(2.4K)

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

📊 Productivity

(245)

free

Decibel Meter Noise DB Reader

Frequency Generator & Analyzer

Real-time decibel monitoringAdvanced frequency analyzerMulti-wave sound generator

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.

🎵 Music

(13)

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

(5.1K)

Decibel - sound level meter

Spectrum frequency analyzer

Measure sound pressureSpectrum frequency analysisReference chart comparison

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Decibel Meter-measure db level

(4.5K)

subscription

Frequency Spectrum Analyzer

Military-grade algorithmProfessional GB weighted detectionNoise recording

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.

(907)

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)

(865)