BPM Genie
A fast and accurate tempo analyzer for MP3 files.
Intelligent Beat Detection
BPM Genie uses advanced spectral flux and STFT algorithm implementations to quickly scan your MP3 library and embed tempo metadata into the audio file tags.
Accuracy Testing
Not all BPM detection software is created equal. After a comparative study of several different algorithms and implementations available today, it was confirmed that BPM Genie is pretty accurate, and FREE.