Based on the user reviews, here are three pros and three cons of the app: **Pros:** 1. Users praise the app's ability to help them relax and reduce stress, saying it's "very effective" and "works wonders". 2. Many users appreciate the app's gentle and soothing sound effects, describing them as "calming" and "peaceful". 3. Some users enjoy the app's simple and easy-to-use interface, saying it's "intuitive" and "easy to navigate". **Cons:** 1. Some users find the app's sound effects too repetitive and boring, saying they get "old quickly" and "lose their effectiveness". 2. A few users complain about the app's limited features and functionality, saying it's "too basic" and "lacks customization options". 3. Some users experience technical issues with the app, such as crashes and glitches, which can be frustrating and disrupt their relaxation experience. Note: The reviews are in Chinese, but I've summarized the main points and translated them into English based on the available text.