This is the spiritual and psychological based app which is generated keeping in mind the commitments/vows which can make every living soul a better person and out of any hocus-pocus thoughts. Book App is both Android and iOS based application which is progressing to be implemented in every smart phones including iPad and tablets. The basic concept of Book App is that the user will have to follow 6 commitments on daily basis(as per formed by the concerned manager) and track himself the vow progressed till the day, and update the status accordingly into the app.