Based on the users' reviews of the "Which Painting is Expensive" app, here are the conclusion: **Cons:** 1. Limited database: Some users find the painting database limited, missing many famous works. 2. No clear sorting option: Reviewers struggle with unclear sorting options, making it hard to find specific paintings. 3. Repetitive results: Users report receiving repeated or irrelevant results, leading to frustration. **Pros:** 1. User-friendly interface: Reviewers praise the app's clean and intuitive design, making it easy to navigate. 2. Helpful details: Users appreciate the inclusion of painting details, such as artist's name, title, and date created. 3. Easy to discover new paintings: The app helps users discover new and lesser-known paintings, expanding their art knowledge.