Spectrum Analyzer: Audio FFT

1.0.2

Global Utility App Maker

0.00

0 reviews

100+
Downloads

Free

Real-time FFT audio spectrum analyzer & oscilloscope with peak hold & dB SPL

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iOS version

About Spectrum Analyzer: Audio FFT

Spectrum Analyzer: Audio FFT is a tools app developed by Global Utility App Maker.

Download Statistics

Spectrum Analyzer: Audio FFT has been downloaded 170 times. In the last 30 days, the app was downloaded 170 times.

User Ratings

The app has no ratings yet.

App Information

Spectrum Analyzer: Audio FFT is FREE to download. The APK download size is 28.02 MB. The latest version available is 1.0.2. The last update was on June 15, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play 5 weeks ago.

Description

Spectrum Analyzer is the most accurate real-time audio FFT spectrum analyzer and oscilloscope for Android. Visualize sound frequencies from 20 Hz to 20 kHz with 2048-point FFT precision — see exactly what your ears hear, in real time, with studio-grade accuracy.

Whether you tune a live PA, check the harmonics of a guitar, debug an op-amp, hunt a rattle in a car, or chase a buzzing noise at home, Spectrum Analyzer turns your phone into a professional FFT analyzer and oscilloscope.

▶ MAIN FEATURES
• Real-time FFT spectrum (2048 bins, 20 Hz – 20 kHz)
• Live waveform / oscilloscope view
• Linear and logarithmic frequency scale
• Peak hold mode to catch transients
• Adjustable smoothing and FFT window (Hann / Hamming / Rectangular)
• dB SPL calibration scale
• Dominant frequency readout in real time
• Studio dark mode
• Works fully offline — no data plan needed

▶ HOW TO USE
1. Open the app and grant microphone access.
2. Point the mic at the sound source.
3. Watch the live FFT spectrum and waveform update instantly.
4. Switch between linear and logarithmic scale.
5. Enable peak hold to freeze the loudest peaks.
6. Pick the FFT window and smoothing that fit your signal.

▶ WHO USES IT
• Sound engineers checking PA, rooms and speakers
• Musicians analyzing tone and harmonics
• Electronics hobbyists debugging circuits
• HVAC technicians and mechanics hunting noise and vibration
• Acoustics and DSP students learning the FFT

Spectrum Analyzer needs microphone permission to capture audio. External USB and Bluetooth microphones are supported for higher accuracy. Turn your Android device into a real-time FFT spectrum analyzer and oscilloscope today.

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More data about Spectrum Analyzer: Audio FFT

Price	Free to download
Total downloads	170
Recent downloads	170
Rating	No ratings
Ranking	Not ranked
Version	1.0.2
APK size	28.0 MB
Number of libraries	?
Suitable for	Everyone
Ads	Contains ads

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Alternative downloads for the Spectrum Analyzer: Audio FFT app

Spectrum Analyzer: Audio FFT compared with similar apps

Common keywords of similar apps

Hold Live Scale Hz Khz Point Studio Accuracy Pa Harmonics Waveform Linear Logarithmic Smoothing Window Fft Spectrum Analyzer Real Time Oscilloscope Audio Peak Sound Db Spl Noise Frequency Mode Microphone

Keywords missing from this app

Data Amplitude Display Meter Level Readout App Device Rate Sensor Record Decibel Analysis Dba View Recent Graph Color Music Screen Pro Features Devices High Rta Settings Size Spectrogram Light Calibrated Signal Displays Range Measurement Scope

Downloads over time

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Spectrum Analyzer: Audio FFT has been downloaded 170 times. Over the past 30 days, it has been downloaded 170 times.

Changelog of Spectrum Analyzer: Audio FFT

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Developer information for Global Utility App Maker

Global Utility App Maker

wkdrb2100@gmail.com

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Google Play Rankings for Spectrum Analyzer: Audio FFT

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Technologies used by Spectrum Analyzer: Audio FFT

16 permissions

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