Based on the user reviews of the app "QR Code and Barcode Scanner Pro", here are three cons and three pros in 15 words or less: **Cons:** 1. Some users report difficulties scanning certain QR codes, citing blurry images or poor lighting conditions. 2. A few users mention that the app occasionally freezes or crashes, causing inconvenience. 3. A few reviewers find the app's UI cluttered and overwhelming, leading to user frustration. **Pros:** 1. Many users praise the app's fast and accurate scanning capabilities, reliably detecting QR codes. 2. Reviewers appreciate the app's intuitive interface, making it easy to use for both beginners and experts. 3. Users value the app's ability to store scanned codes in a history log, making it easy to track and reference later.