iRhythmicLite is a free metronome with ads, that serves as an introduction to the more advanced iRhythmic application that you can purchase from the app store. iRhythmicLite is a fully functional metronome which allows adjustments of BPM, ticks, meter, and turning accents on and off. It has a great and simple interface to enable adjustments of all the basic needs for practicing musician. In addition, it uses the same engine from iRhythmic for the sound and is therefore amongst the most accurate metronomes you can find on the planet. Try iRhythmicLite and use it for your everyday musical practicing needs. If you are serious musician in need of more power, more customizability, more advanced ticks, programmability and sequencing, then purchase iRhythmic from the app store.