Audio Spectrum Analyzer

Audio Spectrum Analyzer

By Black Cat Systems

Audio Spectrum Analyzer is a utility tool that provides real-time sound pressure level (SPL) metering and frequency spectrum analysis using Fast Fourier Transform (FFT). It enables users to monitor audio across three distinct channels, offering calibration capabilities and multi-source input support including Bluetooth and AUX.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Audio professionals, technicians, and hobbyists requiring real-time acoustic measurement and frequency analysis.

What does it look like?

Key features

Real-Time RTA and FFT Analysisstandard

Provides high-refresh-rate frequency spectrum visualization with adjustable resolution.

Multi-Channel Comparisonstandard

Allows users to capture and compare noise levels and frequency charts across three separate audio channels.

SPL Meteringstandard

Measures sound noise levels up to 150 decibels with peak hold, flat reference lines, and min/max/avg tracking.

Custom Calibrationstandard

Supports individual calibration for each frequency band to ensure measurement accuracy.

How much does it cost?

paid

Velocity

Steady developmentShow more...

5 versions in history. Development pace: steady.

See all version history

Who built it?

Black Cat Systems

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
3.87 · 52
Google Play
3.80 · 16

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Audio Spectrum Analyzer

How's the Utilities market?

The rivals identified

The Analyst's Read

Key takeaways for Audio Spectrum Analyzer

Where is it heading?

Bottom line

This is a specialized diagnostic tool for audio analysis that offers multi-channel tracking and granular calibration, though hardware compatibility varies by device.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Audio Spectrum Analyzer, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Audio Spectrum Analyzer Intelligence Report.” Updated Apr 24, 2026. https://marlvel.ai/apps/com-blackcatsystems-spectrumpad

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