Best Octave Noise Apps

Spectrogram, RTA, dB Analyzer

4.4😐(239 ratings)

FreeIn-App Purchases

Audio Spectrum Analyzer Pro screenshot 1

Audio Spectrum Analyzer Pro screenshot 2

Audio Spectrum Analyzer Pro screenshot 3

Audio Spectrum Analyzer Pro screenshot 4

Audio Spectrum Analyzer Pro screenshot 5

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.

What We Love

👍 Intuitive and easy-to-use interface
💰 Completely free with no ads
🎯 Accurate frequency and spectrum analysis
📊 Multiple visualization modes (FFT, spectrograph, bar display)
🔧 Professional-grade audio measurement tool
🎵 Identifies musical notes and frequencies
⚡ Responsive and real-time analysis
🛠️ Useful for sound engineering and audio setup
📱 Works well on both iPhone and iPad

Room to Improve

💸 Aggressive subscription/paywall nags
🔄 Frequent iOS compatibility issues after updates
📉 Features moved behind paywall in recent updates
🐛 App crashes on startup (especially iOS 16/26)
⚠️ Misleading free trial that requires payment
🔐 Excessive permissions requests (photo access)
🎚️ Limited microphone sensitivity controls
📊 Graph obscured by notch/dynamic island
🔊 Mutes device speaker volume when running
⏱️ Slow performance on some devices

Noise: Green, Brown, White by Janusz Jankowski

Better sleep, relax, focus

Strong Contender

💪 Health & Fitness

4.7(247 ratings)

FreeAdsIn-App Purchases

This app generates various colors and types of noise in real-time to aid sleep, relaxation, and focus. Experiment with different sounds like brown, pink, or white noise to find what works best for you. Features include mixing sounds, a shutdown timer, and convenient controls.

Noise Vibe Spectrum by Shoichi Shimoda

Evaluate using VC curves

Worth Considering

💼 Business

0.0(0 ratings)

FreeIn-App Purchases

More Octave Noise apps to explore

AUDIIO - RTA Analyzer

Real-time audio analysisRTA Bar / Line GraphFFT and Spectrogram visualization

Visualize audio in real-time with various data graphs like RTA Bar, FFT, and Spectrogram. Offers full octave and 1/3 octave analysis with linear or logarithmic scales. Displays peak and current dB data in a sleek, functional interface.

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Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition

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.

Audio Spectrum Analyzer dB RTA

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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.

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SpectralScan Audio Analyzer dB

RTA Sound Spectrum Spectrogram

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.

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Audio / Spectrum Analyzer

RTA (FFT / Spectrogram)

Simultaneous Waveform, Spectrum, Spectrogram displayCustomizable FFT size and window functionsFrequency weighting (Flat, dBA, dBC)

Analyze audio signals in real-time with waveform, amplitude spectrum, and spectrogram displays. Offers detailed customization for FFT size, window functions, and frequency weighting. Includes tools for generating basic waveforms and measurement signals.

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NoiseLab: Noise Meter,SLM,dB

Noise Meter/Sound Meter/dB

$99.99

This professional sound meter app transforms your iOS device into an acoustical analysis meter, precisely measuring sound pressure levels and frequency characteristics. It offers advanced features for acoustic engineers, including filter and time detector combinations, calibration options, and historical data export.

Measures sound pressure level and frequencySupports built-in and external microphonesSimultaneous filter (Z, A, B, C) and time detector (Fast, Slow, Impulse) measurements

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Simple White Noise App

Noise for sleep & focus

White, pink, and brown noise optionsContinuous background playbackSleep timer up to 12 hours

This utility app provides a distraction-free environment with continuous playback of white, pink, and brown noise. It includes a sleep timer and a night light feature to enhance relaxation and focus. The app works offline and is designed for a minimal, ad-free experience.

Professional sound level meter

$0.99

This app functions as a professional-grade sound level meter for iOS devices. It offers advanced features for occupational health measurements, including noise dose and projected dose calculations. The app utilizes the device's internal microphone and provides accurate readings tested against professional standards.

Professional-grade sound level meterOccupational health compliant parametersNoise DOSE and Elapsed time

(243)

Noise Tracker Pro

Noise Meter

Real-time noise monitoring (dB meter)Frequency weighting filters (A-weighting)Measure LAeq, L10, L50, L90

This app measures environmental noise levels in decibels using your phone's microphone. It provides real-time monitoring, detailed data analysis, and the ability to compare readings with international standards. Ideal for students, professionals, and the public to understand ambient noise.

📚 Education

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Decibel Meter: Noise Level dB

Sound Level Meter & Spectrum

Live dB measurement with gauge and chartFrequency weighting (A, C, Z)Noise dose calculation (NIOSH, OSHA)

Measure sound levels with your device's microphone. Track noise over time, set alerts, and log recordings with notes and locations. Export reports for personal records.

📊 Productivity

(4)

OCTAV — SPL Meter, RTA, Tuner

Built for Live Sound Engineers

Calibrated SPL meter with A/C/Z weighting31-band RTA with feedback finderChromatic and drum tuner

This app provides a suite of audio analysis tools for sound engineers, including a calibrated SPL meter, RTA, and tuners. It offers features for live sound work, instrument tuning, and system checks, with advanced functions available via subscription.

This utility anonymously monitors environmental noise levels in New York City using your phone's sensors. It analyzes sound intensity and frequency without recording audio, contributing to efforts to reduce noise pollution and improve the urban soundscape.

Measures environmental noise levels (dBA)Analyzes noise by frequency (Hz)Ensures user anonymity

Decibel Meter dB: Sound Level

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Decibel Kit: Noise Dosimeter

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Octave Band Real Time Frequency Analyzer and Sound Level Meter

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by Marina Polyanskaya

$1.99

This app provides real-time audio analysis for room and speaker tuning. It offers precision measurement and visualization of sound frequencies, suitable for both enthusiasts and professionals. Advanced features are included for accurate spectrum analysis.

Octave Band Real-Time AnalyzerIntegrated Sound Level MeterPrecision audio measurement

📊 Productivity

(5)

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Spectrum: Audio Analyzer

Real-time FFT spectrum

Tools suite for monitor tuning

Spectrum RTA for real-time frequency analysisLevel Meter for monitor calibrationEQ Recommendation for room optimization

This application offers a suite of professional tools designed to optimize your studio monitor setup. It includes features for real-time frequency analysis, level calibration, EQ recommendations, and precise monitor alignment for an enhanced listening experience.