Based on the user reviews of the app "Piano Music and Songs" on the Apple App Store, here are three cons and pros in 15 words or less per item: **Cons:** 1. "Limited song selection" - Users are disappointed with the app's limited song library and lack of popular piano tunes. 2. "Poor navigation and user interface" - Many users find the app's navigation and design to be confusing and cluttered. 3. "Too many ads" - Frequent and intrusive ads are a major annoyance for some users, disrupting their piano learning experience. **Pros:** 1. "Effective teaching tool" - Users praise the app's ability to teach and improve their piano skills, making it a valuable learning resource. 2. "High-quality sound and effects" - The app's sound quality and effects are commended by many users, creating a realistic and immersive experience. 3. "Intuitive and user-friendly" - Some users appreciate the app's simplicity and ease of use, making it accessible to beginners and experienced pianists alike.