Based on the users' reviews of the "Kangxi Learn Mandarin Chinese Radicals for HSK 1-6" app, here are three cons and pros in English, each limited to 15 words: **Cons:** 1. Some users found the app's learning pace too fast, leaving them struggling to keep up. 2. A few reviewers mentioned that the app's audio pronunciations were often unclear or difficult to understand. 3. Others reported that the app's font sizes and colors could be improved for better readability. **Pros:** 1. Many users praised the app's engaging and interactive learning materials, making it enjoyable to study. 2. The app's clear and concise explanations of radicals helped users understand the characters better. 3. Reviewers appreciated the app's comprehensive coverage of radicals necessary for HSK 1-6 exams.