Based on the users' reviews on the App Store, here are three pros and three cons of the Calligraphy Master 3D app: **Pros:** 1. "Intuitive controls allow for precise brushstrokes, resulting in beautiful calligraphy designs." 2. "Variety of realistic brushes and adjustable settings cater to different artistic styles." 3. "Innovative 3D effects add depth and dimension to calligraphy, making it stand out." **Cons:** 1. "Sometimes the app freezes or crashes, losing user progress and work." 2. "Limited customization options for brushes and design templates can be restrictive." 3. "No export feature in HD quality, resulting in low-resolution files for sharing."