Based on the users' reviews of the app "Scales & Modes: The Quiz", I've analyzed the feedback to provide three pros and three cons, each limited to 15 words: **Pros:** 1. Interactive and engaging quiz format helps users learn scales and modes effectively. 2. Wide range of scales and modes covered, including rare and unusual ones. 3. Simple and easy-to-use interface, great for beginners and experienced musicians alike. **Cons:** 1. Some users find the quiz questions too easy or too hard, lacking proper challenge. 2. Limited opportunities for practice or ear-training exercises beyond the quizzes. 3. No option to create a personalized study plan or track progress over time. Please note that these pros and cons are based on a general analysis of the reviews and may not be representative of every user's experience.