The best feature of this app is the ability to export a PDF report to share with your therapist. It removes the need to manually log a Diary Card. The second best feature is the summary of the tools at your fingertips. The greatest challenge with this app is that it seems to function only one day at a time. In order for your data to record accurately, you have to repetitively press log after completing each section and after saving your note - close the app- and reopen to do log on another day.