Mobile app · Audio & music

Audio Spectrum Analyzer

A handy real-time audio spectrum and spectrogram analyzer.

Completely free
Android
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: Apache-2.0 — Open source (permissive)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Distribution: Available on F-Droid
Publisher: woheller69
Latest version: 3.2 (23 March 2026)
Latest activity: 23 March 2026
Source code: github.com/woheller69/audio-analyzer-for-android

At a glance

Audio Spectrum Analyzer is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 7 November 2026
Last technical check: 7 November 2026
Description from F-Droid — F-Droid (citation courte)

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