Audio Tag EditorAudio Tag EditorBPM FinderBPM FinderLive BPM FinderLive BPM FinderKey FinderKey FinderMix MakerMix MakerTrack AnalyzerTrack AnalyzerTransition FinderTransition FinderVST ManagerVST Manager
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Key Finder

Find any track's key in 1s.

Download on the App Store
Instant Detection
Detect key in 1 second, even offline.
Lightweight & Fast
Analyze unlimited tracks using batch mode.
Multiple Formats
Use Camelot Wheel or musical notation.

Use everywhere.

Optimized for all Apple devices.
Available on iPhone, iPad and Mac.

Instant Detection

Detect musical key and scale in under 1 second, completely offline and optimized for your device. It delivers accurate, instant key readings with professional-grade precision.

Key Finder detecting musical key instantly from an audio file
Batch Mode

Analyze your entire music collection in one go with minimal CPU and memory usage. Process hundreds of tracks in seconds, using Camelot Wheel, musical, or open key notation.

Key Finder analyzing multiple tracks in batch mode

Truly Offline.

Local by design means privacy first.
No cloud analysis, no AI learning, just your work staying yours.

Start analyzing,
the easy way.

Available on iPhone, iPad and Mac.

Download on the App Store
Key Finder screenshot
Audio Tag Editor Icon
Audio Tag Editor
Edit audio tags seamlessly.
BPM Finder Icon
BPM Finder
Find any track's BPM in 1s.
Track Analyzer Icon
Track Analyzer
Analyze any track in 1s.