Based on the user reviews of Mob I/O on the App Store, here are three cons and pros: **Cons:** 1. "Not very responsive, often slows down and crashes frequently" - Many users complained about the app's performance issues. 2. "Lack of customization options, limited features" - Users wanted more options to personalize the game and its features. 3. "Frequent ads and interruptions" - Several reviewers found the ads and interruptions frustrating while playing the game. **Pros:** 1. "Addictive gameplay, fun and engaging multiplayer mode" - Many users loved the game's competitive multiplayer aspect. 2. "Simple yet challenging, great for casual players" - The game's simplicity made it accessible to a wide range of players. 3. "Regular updates with new content and features" - The developers consistently released new updates with fresh content, keeping the game fresh.