A free program for Android, by Jamal Dev.

Recover Deleted Contacts is an easy-to-use utility app for Android that will help you recover deleted contacts from your address book.

You can restore contacts to a safe place or retrieve them from your device. The backup and restore function is a great utility to help you keep your numbers safe! It can back up and restore contacts to a safe place, retrieve them from your device, or send them to another device. The app also deletes duplicated contacts on your device, keeping your address neat and clean.

The app has a simple interface, a user-friendly layout, and an intuitive user experience, making it easy to use and understand.