Open Metronome, Soundcorset, TempoPerfect Metronome, afractal Metronome, Metronome Online, Metronome EXP, Desktop Metronome, Metronomus, Mobile Metronome, TrueMetronome, PC 9 Virtual Metronome, Metronome M1, TapNTempo are some alternatives to AudioKit Hey Metronome.