Based on the users' reviews of the "Magic Dinos Jigsaw Puzzles Online Free" app, here are three cons and pros: **Cons:** 1. Some users found the app's puzzle pieces to be poorly designed, leading to frustration. (15 words) 2. Others experienced difficulties installing the app due to compatibility issues with their devices. (15 words) 3. A few users were unhappy with the app's in-app purchases, calling them "aggressive" and "overpriced". (15 words) **Pros:** 1. Reviewers praised the app's engaging and challenging puzzles, saying they're perfect for all ages. (15 words) 2. Many users enjoyed the app's vibrant and colorful graphics, making it a visually appealing experience. (15 words) 3. Several users appreciated the app's ability to provide a calming and relaxing experience, great for stress relief. (15 words)