Based on the user reviews, here are three cons and three pros, with 15 words or less for each: **Cons:** 1. In-app purchases can feel frustrating and nickel-and-dime users, reducing overall value. 2. Some users find the AI too strong, making it difficult to win against the computer. 3. The app can occasionally crash or freeze, causing frustration and losing game progress. **Pros:** 1. The app offers a comprehensive, well-designed chess experience with multiple game modes. 2. The AI is challenging and adjustable, allowing players to gradually improve their skills. 3. The user interface is intuitive and visually appealing, making it easy to navigate and play. Please note that these are summaries based on the reviews and may not reflect the opinions of all users.