iMetronome (with quartz accuracy)
iMetronome is a precise pendulum metronome that maintains an extremely accurate beat.
Features:
Tempo: 20 - 240 BPM
Time Signatures: 1/4, 2/4, 3/4, 4/4, 5/4, 6/4, 7/4, 8/4, 9/4, 10/4, 11/4, 12/4, 3/8, 6/8, 9/8, 12/8
Screen auto-lock: enable/disable