Report updated Apr 24, 2026

Overview · Full Intel report in progress

Key Detect is an established music app that is completely free. With a 3.6/5 rating from 439 reviews, it shows polarized user reception.

What is Key Detect?

Key Detect is a real-time audio analysis tool developed by Mixvibes that identifies the musical key of any sound via a device microphone. It is designed to assist DJs with harmonic mixing and help musicians with music theory and ear training. The app is notable for its lineage, coming from the creators of professional DJ software like Cross DJ and rekordbox.

Current Momentum

v2.1 · 51mo ago

Zombie

Last updated 1550d ago. 5 versions tracked.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Music

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Real-time Key DetectionStandard

Identifies the musical key of any playing song or sound using the device microphone.

Flexible Display OptionsStandard

Shows detected keys in either classic musical notation or harmonic code.

Dynamic Tone TrackingStandard

Provides a dynamic display to follow changes in a tune's tone in real time.

Matching Key SuggestionsStandard

Displays compatible keys to assist users with harmonic mixing transitions.

How much does it cost?

Free

Who Built It?

MIXVIBES

(267.2K)

Providing professional-grade DJ and music production tools for creators who require desktop-class performance on mobile devices.

Portfolio

8

Apps

Free 5Paid 2
Music100%

Who is MIXVIBES?

Mixvibes occupies a technical niche by porting professional-grade audio engines and MIDI integration to mobile, a space often underserved by simpler music apps. Their moat is a heritage in professional DJ software development, allowing them to implement low-latency features like real-time time-stretching that are difficult for generalist developers to replicate. Recent activity shows a strategic shift toward the broader creator economy, moving from pure DJ performance tools into beat-making and vocal recording studios.

Who is MIXVIBES for?

  • DJs
  • Music producers
  • Aspiring artists seeking portable
  • Professional-grade creation
Steady

Portfolio momentum

While maintaining a small active portfolio of 2 apps, the publisher released 16 updates in the last 6 months, indicating intense development on flagship titles.

Last release · 7d agoActive apps · 2Abandoned · 5

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for Key Detect?

How's The Music Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Key Detect

Key Takeaways

While the app offers convenient, portable key detection, user feedback highlights concerns regarding interface clarity and inconsistent performance compared to file-based analysis tools.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by Key Detect, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “Key Detect Intelligence Report.” Updated Apr 24, 2026. https://marlvel.ai/intel-report/music/key-detect

Agent Markdown (.md)·

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