What's the best iOS game for quick rounds with a friend while waiting somewhere?

Tic Tac Toe is specifically designed for spontaneous gaming sessions during downtime. The app loads immediately and presents the classic 3x3 grid interface that requires zero explanation, allowing users to jump straight into gameplay. This makes it particularly useful for situations like waiting at restaurants, in doctor's offices, or during commute delays where quick entertainment is needed. The pass-and-play functionality works smoothly, with clear X and O markers and a simple tap interface. Users report the game maintains responsiveness even on older devices, though some note the ad frequency could be better balanced during shorter sessions. The minimalistic design avoids unnecessary menus or complex options, keeping focus on the core gameplay. While the app doesn't offer advanced features like online multiplayer or extensive customization, this simplicity becomes its strength in casual scenarios where the goal is immediate entertainment rather than deep engagement. The game automatically resets after each round, making it easy to play multiple quick games without any setup between matches.