Based on the users' reviews, here are three cons and pros of the "Diff Char" app: **Pros:** 1. Users praise the app's simple and intuitive interface, making it easy to use. 2. Many reviewers appreciate the app's ability to quickly compare documents and highlight differences. 3. Some reviewers find the app's highlighting and annotation features very useful for collaboration. **Cons:** 1. Several users complain that the app crashes or freezes frequently, causing frustration. 2. Some reviewers find the app's pricing model confusing and expensive, with no clear value proposition. 3. A few users criticize the app's lack of advanced features, such as advanced search or collaboration tools. Please note that these are general summaries and may not reflect the opinions of all users.