We're sorry to see you go!
To fully delete your Wrapp account:
1) Log onto Facebook
2) Go to the menu in the top right corner (next to "Home"), and select the privacy icon (it looks like a lock)
3) Select "See more settings" from the drop-down menu
4) Select "Apps" from the menu on the left side of the page
5) Find Wrapp in the list and click X to uninstall it
Finally, delete the app from your phone and that's it.