Based on the user reviews of the app "Fast Paint 3D" on the Apple App Store, here are three cons and pros in 15 words or less per item: **Cons:** 1. Glitches and crashes happen frequently, ruining creative sessions. 2. Limited brush options and customization options are disappointing. 3. Difficulty in erasing errors and making precise edits frustrating. **Pros:** 1. Easy to learn and use, even for beginners with zero artistic skills. 2. Stunning 3D effects and realistic textures enhance creativity. 3. Fast performance and responsive controls allow for fluid painting. Please note that these points are a summary of the general sentiment expressed by users and may not reflect the full range of opinions on the app.