Spectrum Analyzer: Audio FFT

1.0.26

Global Utility App Maker

0.00

0 reviews

1,000+
Downloads

Free

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

Spectrum Analyzer: Audio FFT Screenshot 1 of 4

Spectrum Analyzer: Audio FFT Screenshot 2 of 4

Spectrum Analyzer: Audio FFT Screenshot 3 of 4

Spectrum Analyzer: Audio FFT Screenshot 4 of 4

1,000+ downloads

iOS version

About Spectrum Analyzer: Audio FFT

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

How many times has Spectrum Analyzer: Audio FFT been downloaded?

Spectrum Analyzer: Audio FFT has been downloaded 1.1 thousand times. In the last 30 days, the app was downloaded 600 times.

What is the rating of Spectrum Analyzer: Audio FFT?

Spectrum Analyzer: Audio FFT has no ratings yet.

Is Spectrum Analyzer: Audio FFT free?

Spectrum Analyzer: Audio FFT is free to download. The APK download size is 31.38 MB. The latest version available is 1.0.26. The last update was on August 15, 2026.

What are the requirements for Spectrum Analyzer: Audio FFT?

The app has a content rating of Everyone. The app has been available on Google Play May 2026.

Description

Spectrum Analyzer is a 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.

Recent changes:
Thanks for using our app! This update brings behind-the-scenes performance and stability improvements for a smoother, more reliable experience. Your support means the world to us.

Show more Show less

More data about Spectrum Analyzer: Audio FFT

Price	Free to download
Total downloads	1.1 thousand
Recent downloads	600
Rating	No ratings
Ranking	Not ranked
Version	1.0.26
APK size	31.4 MB
Number of libraries	?
Suitable for	Everyone
Ads	Contains ads

App Performance Report

Get a detailed PDF report for Spectrum Analyzer: Audio FFT with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

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 Update Fft Spectrum Analyzer Real Time Oscilloscope Audio Peak Sound Db Spl Noise Frequency Mode App Microphone

Keywords missing from this app

Amplitude Level Display Meter Readout Data Device Decibel Recent Analysis Spectrogram Dba Rta Rate View Music Pro Features Devices High Size Color Calibrated Displays Range Record Scope Settings Measurement Signal Sample Buffer Weighting Resolution

Downloads over time

Subscribe to see download velocity and history

Spectrum Analyzer: Audio FFT has been downloaded 1.1 thousand times. Over the past 30 days, it averaged 20 downloads per day.

Changelog of Spectrum Analyzer: Audio FFT

Show changelog

Developer information for Global Utility App Maker

Global Utility App Maker

wkdrb2100@gmail.com

Website

Legal name:

Address:

Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.

I'm the developer of this app

Comments on Spectrum Analyzer: Audio FFT for Android

We don't have enough comments to show example comments. Please check back later.

Google Play Rankings for Spectrum Analyzer: Audio FFT

This app is not ranked

Technologies used by Spectrum Analyzer: Audio FFT

16 permissions

Subscribe to see full permission and library details

AppBrain is a directory focused on discovering great apps and games. We give statistics, rankings and search options that Google Play and the App Store don't have. All trademarks are owned by their respective owners. AppBrain doesn't offer APKs or binaries, and always lets users install the official version from Google Play or the App Store.

More apps