The Contacts App Coju offers an extensive suite of features for managing your contacts on Android devices. It provides functionalities such as viewing, backing up, exporting/importing, sharing, merging, and deleting duplicates, making it an essential tool for effective contact management. Users can back up their entire contacts list in vCard format and restore it anytime on the same or different device. The app also supports Bluetooth transfer for seamless sharing with nearby devices, enhancing connectivity options.

Coju's powerful display features allow users to sort and filter contacts by various criteria, including the last time contacted and frequency of calls. It includes a toolkit for removing duplicate contacts, merging details, and restoring accidentally deleted contacts under specific conditions. Additionally, users can export contacts in both vCard and CSV formats, making it easy to manage contact lists across different platforms. The app also offers a built-in dialer, enabling calls and messages directly from the app, further streamlining communication.