After analyzing the reviews on the App Store, here are three cons and pros of the Cup Stacking app, each limited to 15 words: **Cons:** 1. "Too easy, not challenging enough" - Some users found the app too straightforward and lacking in difficulty. 2. "Glitches and poor user interface" - A few reviewers experienced technical issues and found the app's design unappealing. 3. "Lack of customization and gameplay options" - Users wanted more flexibility and variety in the app's gameplay and customization options. **Pros:** 1. "Addictive and fun, perfect for brain training" - Many users praised the app's entertaining and engaging gameplay. 2. "Easy to learn, great for children and adults" - The app's accessibility and simplicity made it enjoyable for users of all ages. 3. "Well-designed and visually appealing" - Reviewers appreciated the app's visually pleasing design and user-friendly interface.