BeatSense
Hold up your device, hear the tempo
– –
BPM
Rhythm
Mic
Tempo over time
Turn on to keep listening past 45 s (live sets)
Listen to see how the tempo moves over time.
Expected tempo range
A song can feel like 64 or 128. Pick the range you expect, or fix it with ½× / 2×.
Tap tempo
Tap along with the beat (or press T)
Analyse audio files
BPM and key of songs on your device. Pick a few files or a whole folder, then export the results as CSV. Files are analysed in your browser and never uploaded.
MIDI clock
Let other apps and MIDI gear follow the tempo
Tip: put the device 30 cm to 1 m from the speaker. Songs with drums lock in within about 6 seconds. Audio stays on your device: nothing is recorded or uploaded.