Based on the user reviews, here are the pros and cons of the Dragon Snake Mandarin Teacher app: **Pros:** 1. **Effective learning tool**: Users praise the app's interactive lessons and engaging flashcards for improving their Mandarin skills. 2. **Personalized feedback**: The app provides constructive feedback on pronunciation, helping users correct their mistakes and improve their speaking skills. 3. **Variety of lessons**: The app offers a range of lessons covering various topics, making learning Mandarin fun and diverse. **Cons:** 1. **Limited practice time**: Some users complain that the app's free practice time is too short, limiting their ability to fully immerse themselves in the lessons. 2. **No offline access**: Users with unreliable internet connections or travel frequently express frustration with the app's requirement for an internet connection. 3. **Rudimentary vocabulary**: A few users note that the app's vocabulary list is limited, making it difficult for advanced learners to find new words to study.