Best Frequency Analyzer Free Apps

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

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Decibel Meter Sound Detector

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)

Frequency Analyzer Spectrum

Audio Spectrum Analyzer Hz

Audio Spectrum Analyzer Pro

🌟 Lifestyle

(0)

Sound Frequency Analysis

Octave Band Real Time AnalyzerFFT Plot (Fast Fourier Transform)Sound level meter (dB meter)

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.

🎵 Music

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Audio Spectrum Analyzer dB RTA

Sound frequency, decibel meter

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)

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.

(161K)

Real-Time Spectrum Analyzer

RTA01

Frequency Generator: Tone HZ

Binaural beats & pure waveform

Real time spectrum analyzer

🌟 Lifestyle

(0)

BMA Spectrum Analyzer

Audio analysis made easy!

HzDetect Music Frequency Tuner

(0)

Find the frequency of any song

Detect music tuning frequencyShazam-powered song recognitionAnalyze frequency breakdown

Instantly discover the tuning frequency of music around you. This app uses song recognition and advanced analysis to reveal if a track is tuned to standard concert pitch or other frequencies, offering a new dimension to your listening experience.

Sound Decibel Meter, Spectroid

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.

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SpectralScan Audio Analyzer

Spectrum, RTA & Sound Meter

Real-time frequency spectrum visualizationSine sweep measurements for system responseSpectrogram for time-frequency analysis

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

(5)

Frequency Counter+ Hz FFT

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.

Audio spectrum analyzer

Real-time FFT spectrum with dB scalePeak hold and multiple window functionsPinch to zoom and swipe to pan

This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.

See the frequencies around you

Detects sound frequenciesVisualizes sound waves in real-timeMeasures in Hertz

Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.