Based on the users' reviews, here are three pros and cons in English, each limited to 15 words: **Pros:** 1. Users praise the app's relaxing and calming experience, saying it helps reduce stress and anxiety. 2. Many appreciate the customization options, allowing them to tailor their wave patterns and frequencies. 3. Reviewers describe the app's meditation sessions as informative, engaging, and easy to follow. **Cons:** 1. Some users find the app's sound effects and music to be too repetitive and lacking in variety. 2. A few reviewers complain about the app's occasional glitches and crashing issues. 3. A few users feel that some features, such as the premium subscription, are not clearly explained or marketed. Please note that these are general summaries based on the reviews and may not reflect every individual's experience with the app.