Based on the user reviews of Charango Tuner Pro, here are three cons and three pros: **Cons:** 1. **Limited tuning options**: Some users found the app's tuning options too limited, especially for more complex instruments. 2. **Occasional glitches**: A few users experienced occasional glitches and crashes during use, which can be frustrating. 3. **No audio export**: Users were disappointed to find that the app does not allow exporting of tuned music or audio files. **Pros:** 1. **Easy to use**: Many users commended the app's simplicity and ease of use, making it accessible to beginners. 2. **Accurate tuning**: The app was praised for its accurate tuning capabilities, helping musicians achieve precise pitch. 3. **Great for students**: Students and beginners found the app to be an excellent resource for learning and practicing tuning techniques. Please note that opinions may vary, and this conclusion is based on a general analysis of the user reviews.