Great concept--but doesn't work – Zazen Suite - Meditation Timer & Mindfulness Bell Review

I bought this app for the mindfulness bell to help me center throughout the day. It does that--although not in the way described in the product information. Instead of randomly ringing up to 4 times an hour, it occasionally rings once an hour at exactly the same time you started the app. And setting a bell to ring every 30 minutes only yields occasional bells. It is valuable--but can't give it the full 5 stars.
Review by apollo1213 on Zazen Suite - Meditation Timer & Mindfulness Bell.