Based on the user reviews, here are 3 cons and 3 pros of the Sudoku app: **Cons:** 1. Some users find the app's ads annoying and distracting, negatively impacting gameplay experience. 2. A few users experienced issues with difficulty levels being inconsistent and too easy or hard. 3. Some users report bugs and crashes, disrupting the overall flow of the game. **Pros:** 1. Users praise the app's engaging and challenging levels, providing long hours of entertainment value. 2. Many appreciate the app's customization options, allowing for a personalized gaming experience. 3. Reviewers laud the clean and user-friendly interface, making it easy to navigate and play. Please note that these points are based on a summary of the user reviews on the Google Play Store and may not reflect the opinions of all users.