One-Click Erase All Contacts is a free utility tool developed by mypapit for Android mobile devices. As the name suggests, it is an easy-to-use one-click application for erasing all contacts in mobile devices. This app is handy for those who want to delete all phone book contacts at once. It also has an option to delete contacts without phone numbers.

The best part of this app is that it is completely free and does not require any internet permission. It is a no-frills app, and there are no advertisements whatsoever. However, the app requires READ and WRITE contact permission to delete all contacts.