Based on the users' reviews, here are three pros and cons for the Guanfang Large File Scanner app: **Pros:** 1. **Easy to use interface**: Simple and straightforward design makes it easy for users to navigate and perform file scans. 2. **Fast scanning speeds**: Users praise the app's ability to quickly scan large files, reducing wait times and increasing productivity. 3. **Accurate file detection**: The app is effective in detecting and identifying various file types, including rar and zip files. **Cons:** 1. **Lack of customer support**: Some users report difficulty in getting help from the app's customer support team when encountering issues. 2. **Limited customization options**: Users would like to see more customization options to personalize their scanning experience and better suit their needs. 3. **Occasional glitches and crashes**: A few users have experienced glitches and crashes while using the app, causing disruption to their workflow. Please note that these points are based on a general summary of user reviews and may not reflect the full range of opinions and experiences.