Based on the users' reviews on the Bandurria Tuner Professional app page on the Apple App Store, here are three pros and three cons: **Pros:** 1. Accurate tunings and easy to use, even for beginners: many users praise the app's simplicity and effectiveness. 2. Wide range of tunings available: reviewers appreciate the app's ability to provide various tuning options, specific to different instruments. 3. Regular updates with new features: users commend the developers for continuously improving the app, addressing user concerns, and adding new features. **Cons:** 1. Limited instrument coverage: some users expressed disappointment that the app doesn't support their instrument of choice, citing "missing" or "incompatible" support. 2. Occasional bugs and glitches: a few reviewers reported experiencing issues with the app's functionality, such as hangs or crashes. 3. In-app purchases for additional features: some users were dissatisfied with the app's freemium model, which requires in-app purchases for more advanced features. Note: The above summary is based on a snapshot of the app's reviews at a given time and may not reflect the full range of opinions on the app.