Spectral Audio Analyzer

Free real-time audio analyser. Display microphone audio as coloured spectrogram.

RadonSoft · radonsoft.net.spectralview

5.0 out of 5 (1 rating) 500K+ downloads v1.91 117.2 KB Android 5.0+ PEGI 3 · Everyone

Download APK 117.2 KB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.91 (16)
Updated: Nov 12, 2025 (11 months ago)
APK size: 117.2 KB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Music & Audio (app)
Listed since: Mar 27, 2021 (at least)
Permissions: 2 (1 sensitive)
Website: radonsoft.net
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Spectral Audio Analyzer is an app by RadonSoft in the Music & Audio category, listed since at least March 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.90, the minimum Android version rose from 4.0 to 5.0. It asks for 2 permissions, 1 of them sensitive: record audio. It asks for the same permissions as version 1.90.

What's new in v1.91

Update to target most recent Android devices, general improvements.

Description

From the listing uploaded by “appupdater”.

Free real-time audio analyser with 8 kHz spectral bandwidth. Display any sort of audio from the microphone as a coloured spectrogram. Identify environmental noise, search for annoying tones, view harmonic patterns of instruments and voices, analyse the frequency range of your speaker... . Bugs and feedback to: [email protected]

Version history

2 versions are listed, going back to v1.90. Since v1.91 it requires Android 5.0+.

v1.91 LATEST Nov 12, 2025 117.2 KB TRUSTED v1.90 Jul 9, 2026 127.1 KB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Nov 12, 2025.
Certificate issued to “RadonSoft” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Nov 12, 2025
Validated against Google Play Nov 12, 2025
Signed byCN=RadonSoft, OU=Android Software Dev, O=RadonSoft, C=DE
Signing certificate (SHA-1)31:33:4D:44:CF:16:8D:E3:64:61:DE:93:3D:DB:62:67:1A:A9:65:48
File MD50cc55bf3d8640136eecb40eab0d19e05
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (2)

Spectral Audio Analyzer requests 2 permissions, 1 of them sensitive.

Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Prevent the device from sleeping android.permission.WAKE_LOCK

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Landscape screen android.hardware.screen.landscape

Spectral Audio Analyzer APK: questions and answers

Is there a version of Spectral Audio Analyzer for older Android phones?

The current version needs Android 5.0 or later. Version 1.90 is the newest listed build that installs on Android 4.0 and later. Get version 1.90 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Spectral Audio Analyzer APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 0cc55bf3d8640136eecb40eab0d19e05.