Nowadays its mandatory to keep watch on call log of your kid's phone. This app keeps track of phone history.
Key feature of the app is, user gets text message when he want to track calls from particular phone number. For example, add phone numbers to the app, incoming or outgoing call on that number will be tracked. Text message will be sent to parent's cell phone.
User can sign up only once, no other users will have access to the details. History is also saved in the app database itself, so is call history is removed from call logs of cell, app will persist the details. So you will never loose the data from outside the app.
This app is very useful for the parents.