Based on the users' reviews, here are three pros and three cons of the Zipper 3D app: **Pros:** 1. Users praise the app's ease of use, saying it's "simple to navigate" and "easy to understand". 2. Many reviewers appreciate the app's realistic 3D modeling, describing it as "impressive" and "life-like". 3. Some users commend the app's creative freedom, stating it's "great for artists" and "allowing for endless possibilities". **Cons:** 1. Some users report issues with the app's stability, citing "freezing" and "crashing" problems. 2. A few reviewers express frustration with the app's lack of tutorials, finding it "confusing" and "difficult to learn". 3. Some users mention that the app's 3D models are not always accurate, describing them as "sometimes glitchy" and "not realistic enough".