Free MP3 and WAV analyzer that detects musical key, BPM, and Camelot code in your browser
Free tap tempo BPM counter and metronome app for Android
Stage
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Pricing model
Free
Freemium
Pricing
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Free version includes tap counter, metronome with time signatures and accents, one setlist, and last three measurements. Pro is €9.99 one-time purchase for unlimited features including Live Scan, File Scan, drum grooves, polyrhythms, subdivisions, count-in, practice timer, tempo and gap trainers, fu
Key features
Analyze MP3 and WAV files up to 40 MB and 10 minutes long
Display multiple key candidates with confidence scores
Tap tempo counter for manual BPM verification
Half and Double tempo options to verify different pulse counts
BPM to milliseconds calculator for delay time conversion
Camelot wheel tool for comparing related keys
Browser-based processing with no file upload required
Tap tempo counter to measure beats per minute
Metronome with time signatures and accents
Missed and double tap correction
What makes it different
No file upload needed; all analysis happens in your browser for privacy
Shows multiple candidate results instead of forcing a single answer
Free to use with no signup or account requirements
Includes interactive practice tools with synthetic teaching examples
Samples long files from beginning, middle, and end for complete analysis
No account, no subscription, no ads, works offline in flight mode
One-time €9.99 Pro purchase stays unlocked forever on all signed-in devices
AI beat detection tested on nearly 10,000 songs
Scans audio files in multiple formats including MP3, WAV, M4A
Made for tablet use with responsive side-by-side layout
Find Key & BPM
BPMcountR