Four in a Row.

Four in a Row Free is a popular, free game for iOS that lets you play Four in a Row against friends or random opponents through turn-based multiplayer. The game features great graphics and sound effects, customizable player names and score tracking, and adjustable difficulty levels for single-player games. Play up to 16 simultaneous network games against Game Center friends or random opponents with turn-based network play over Wi-Fi or 3G.