About this app
Analyze audio files to detect their musical key. Key Finder scans your tracks locally and returns results almost instantly. Key Finder is an offline utility for key detection. It works directly on your files and provides accurate harmonic analysis without needing an internet connection. Features • Fast analysis: Detect the key of a track in about a second. • Key formats: View results in standard musical key, Camelot, or Open Key. • Batch processing: Analyze multiple tracks at once with low system impact. • Metadata writing: Save key data directly to your audio file tags for use in DJ software. • Cross-platform: Buy once and use on Mac, iPhone, and iPad. • Local processing: All analysis is done on your device. No files are uploaded. A simple way to find and organize the key of your music library.
Latest release
What’s New
Introduces analysis cancellation, clear key write status indicators, along easier access to help throughout the app.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 17, 2026 · 1:11 PM $6.99
Screenshots
