Based on the user reviews of Symphony Guide and Quiz app, here are three cons and pros: **Cons:** 1. Limited content: Users have reported that the app lacks comprehensive information about symphonies, limiting its usefulness. 2. Glitches and bugs: Several users have experienced technical issues, such as crashes and lag, while using the app. 3. Repetitive questions: Some users have complained that the quiz feature asks the same questions repeatedly, leading to boredom. **Pros:** 1. Engaging way to learn: Many users have praised the app's ability to make learning about symphonies enjoyable and interactive. 2. Useful summaries: Users have found the app's summaries of symphonies to be concise and helpful in understanding complex pieces of music. 3. Beautiful visuals: The app's visual design and layout have been praised by users, making it a pleasure to use and explore.