Based on the users' reviews of the Curvy Path - Maths 3D Games 2019 app, here are three cons and pros: **Cons:** 1. Some users found the game too slow and frustrating, leading to a negative experience. 2. Others reported technical issues, such as crashes and glitches, during gameplay. 3. A few reviewers mentioned that the app's ads were too intrusive and annoying. **Pros:** 1. Users praised the app's unique 3D puzzle-style gameplay as engaging and challenging. 2. Many reviewers commended the app's ability to make math enjoyable and fun for kids. 3. Several users appreciated the app's simplicity and ease of use, making it suitable for children.