Based on the user reviews, here are three cons and three pros, with 15 words or less for each: **Cons:** 1. **Frustrating layout**: Users find the layout confusing and difficult to navigate, especially for beginners. 2. **Limited chord library**: Some users feel that the app lacks a comprehensive chord library, missing key chords. 3. **Inaccurate chords**: A few users have reported inaccuracies in the app's chord notes, leading to frustration. **Pros:** 1. **Easy to use**: Many users praise the app's user-friendly interface and simplicity of use, even for those new to jazz. 2. **Helpful tutorials**: The app's video lessons and interactive exercises are seen as effective in improving jazz chord skills. 3. **Constant updates**: The developer regularly updates the app, adding new features and fixing bugs to improve the overall experience. Please note that these conclusions are based on a limited sample of user reviews and may not reflect the full range of opinions on the app.