Based on the users' reviews of the Bass Tuner by Roadie app, here are three cons and pros: **Cons:** 1. Some users found the app's accuracy inconsistent, with occasional drifting off pitch. 2. A few users reported experiencing lag or delay in tuning, which was frustrating. 3. A small number of users felt the app's user interface was overly complex. **Pros:** 1. Most users praised the app's ease of use, with clear instructions and intuitive design. 2. Many users appreciated the app's ability to accurately detect and correct pitch deviations. 3. Several users credited the app with helping them improve their bass playing skills and confidence. Please note that the cons and pros are based on a general analysis of the user reviews and may not reflect the opinions of every single reviewer.