FastCaller is a free iPhone app designed by Roman Bekas, focusing on enhancing contact search efficiency. The app allows users to swiftly search through contacts using the T9 system, enabling quick access even with limited information. By simply typing on the keyboard, users can find contacts based on partial names or numbers. The intelligent search function displays characters in English and the selected language, ensuring comprehensive search results.

Additionally, FastCaller offers a Quick Dial feature accessible through long presses, prioritizes the latest dialed contacts at the top of the list, and provides tap-tic feedback upon call connection. With FastCaller, users can experience the convenience of T9 technology for streamlined contact management.