The interface is incredible! It's the perfect organizational app I've always been looking for. This is all overshadowed for me however by the fact that it is automatically attached to your email with no way to remove it. I would use this app daily if it would just exist in it's own bubble without needing to grab onto 3+ emails. Minor complaint but it really turned me off from the app, and if I had known this I would not have used it in the first place.