I use http://intonia.com/index.shtml for this purpose. It's available on Android/iOS as well.
It's not free, but I think the functionality is a bit better than this. It handles fast passages and can change temperament, show how off you were, etc.
It's not free, but I think the functionality is a bit better than this. It handles fast passages and can change temperament, show how off you were, etc.