Based on the users' reviews, here are three pros and three cons for the "Birthday Songs with Calendar - Happy Birthday Show" app: **Pros:** 1. Easy to use: Users praise the app's simplicity and user-friendly interface, making it effortless to send birthday wishes. 2. Unique features: The app's calendar integration and customizable messages stand out, providing a personalized touch for birthday greetings. 3. Fun experience: Users enjoy the app's playful and festive atmosphere, making it a joy to use for birthdays. **Cons:** 1. Limited customization options: Some users find the app's customization options too limited, leading to a lack of creativity in their birthday messages. 2. Occasional bugs: A few users experienced technical issues, such as crashes or errors, while using the app. 3. Advertisements: Some users find the app's ads intrusive and distracting, disrupting their experience and annoying them.