Based on the reviews on the Apple App Store, here are 3 cons and 3 pros of the "Crazy Zoo 3D" app: **Cons:** 1. Many users found the app to be too loud and overwhelming with excessive ads. 2. Some reviewers reported glitches and bugs that affected gameplay and lacked adequate support. 3. A few users felt the game was too short and lacked lasting appeal. **Pros:** 1. Users enjoyed the colorful, vibrant, and engaging 3D graphics and animations. 2. Many praised the app's easy-to-learn gameplay mechanics and simple controls. 3. Children and parents alike appreciated the app's educational value and learning potential.