Greek Caller ID is a productivity application designed for Android users, offering a robust suite of features for identifying incoming calls. It provides caller identification for Greek and Australian numbers, enabling users to see the municipality, town, and country of incoming calls even without an internet connection. The app also allows for manual searches based on telephone numbers, names, and addresses, enhancing user convenience.

In addition to caller ID functionalities, the application includes features like call history retrieval from online sources, emergency call capabilities, and the ability to save details to new contacts. Users can validate VIES VAT numbers and perform manual searches for area codes across various countries, including Greece, the USA, Canada, and several European nations. This extensive directory access helps users effectively manage calls and identify unknown numbers.