Based on the users' reviews of the app, here are three cons and pros in English, each limited to 15 words: **Cons:** 1. "Difficulty in finding specific soundscapes and frequencies leads to frustration in a calming setting." 2. " App crashes randomly, disrupting relaxation sessions and losing progress." 3. " Limited customization options for music and sound effects; users may get bored quickly." **Pros:** 1. "Deeper and Deeper provides a soothing atmosphere for sleep, focus, and relaxation." 2. " High-quality soundscapes and nature sounds effectively calm the mind and body." 3. " Absence of distractions and gentle background noise promotes better focus and concentration." Please note that these are general summaries based on the reviews and not reflective of the app's overall quality or performance.