Need improvement.

The app does NOT allow you to record instances of the behavior. It functions as a counter (and a video recorder), and you may name at the end of the session the behaviors you observed. You will not be able to record the instances of the behavior (either for interval or rate of response), thus the app will not not give you the frequency of the behaviour, which is the most important data for a behavior analyst. I strongly suggest the developers to incorporate this feature.

FlaJul about Behavior Tracker Pro, v3.4.3