Continuous live observation of events by means of user-defined Code-Systems. Anything that can be perceived, i.e. observed, can become a code of the Code-System. Example: daily activities, feelings, mental state, … behaviours, natural or physical events. Basic statistics can be computed, i..e. frequencies, mean of duration of events, … variance, standard deviation, local time of events' occurrences. Powerful filter functions. Bar chart. Export function. Configuration of iPhones as remote external input devices.