Overview · Full Intel report in progress

SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more is an established music app that is completely free. With a 4.5/5 rating from 3.4K reviews, it shows polarized user reception.

What is SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more?

SignalSpy is a suite of audio analysis tools including an oscilloscope, spectrum analyzer, level indicator, and spectrogram. It is designed for studio applications requiring real-time, high-accuracy signal visualization.

Current Momentum

v1.1

Fixed screenshot permission on newer Android versions. Updated dependancies. Minor UI changes. Now targeting Android 15.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Music

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

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What Are The Key Features?

Audio Signal AnalyzersStandard

Provides four distinct tools: an oscilloscope, spectrum analyzer, level indicator, and spectrogram.

Synchronized OscilloscopeStandard

Allows for waveform synchronization using a configurable trigger level.

Configurable Frequency ScaleStandard

Supports switching between logarithmic and linear frequency scales to suit specific analysis needs.

Real-time DisplayStandard

Features high-speed screen updates for immediate visual feedback of audio data.

How much does it cost?

Free

Who Built It?

Codelle app icon 1
Codelle app icon 2
Codelle app icon 3
Codelle app icon 4

Codelle

(124)

Providing specialized audio analysis and MIDI control tools for musicians and producers. Focused on high-accuracy signal visualization and hardware-free instrument control.

Portfolio

3

Apps

Free 1Paid 1
Music100%

Explore the full Codelle report

Portfolio breakdown, audience, momentum, and every app published by Codelle.

Go deeper

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more?

How's The Music Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more

Key Takeaways

While the app offers efficient real-time visualization, users report technical limitations regarding audio input compatibility and fixed bit-depth/sample rate processing.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more, 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. “SignalSpy - Audio Oscilloscope, Frequency Spectrum Analyzer, and more Intelligence Report.” Updated May 5, 2026. https://marlvel.ai/apps/signalspy-audio-oscilloscope-frequency-spectrum-an

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