Based on the users' reviews, here are three pros and three cons of the Charango Tuner Basic app: **Pros:** 1. Accurate tuning: Users praise the app's ability to accurately tune their Charango, making it easy to play. 2. Simple and intuitive interface: Reviewers appreciate the app's user-friendly design, making it easy to navigate and use. 3. Great for beginners: Many users find the app to be an excellent resource for learning to play the Charango, especially for those new to the instrument. **Cons:** 1. Limited features: Some users feel that the app lacks advanced features, such as customizable tunings or metronome functions. 2. Not compatible with all devices: A few reviewers experienced issues with the app not working properly on their devices, such as older iPhones. 3. No real-time feedback: Some users wish the app provided real-time feedback on their tuning, rather than requiring them to manually check the pitch.