Warning! This will delete all data, staff names, walkthroughts, and remove you registration from your iWalkObservation installation!
1) Open to the main (blue) menu of iWalkObservation and tap on copyright text at the bottom of the screen. It is actually a hiden button.
2) In the "Code?" dialog box that opens, type "removereg" and press enter.
Confirm "Delete All" if asked. Remember this will DELETE all data, staff names, and remove your registration.