Based on the user reviews of the app "Red Herring", I have compiled a list of three cons and three pros: **Cons:** 1. Some users report the app being too easy, lacking in difficulty and challenge. 2. Others mention the puzzles can be repetitive and lack variety. 3. A few reviewers find the interface and navigation to be confusing and difficult to use. **Pros:** 1. Users praise the app's engaging storyline and immersive gameplay. 2. Many reviewers appreciate the app's ability to adapt to their skill level, making it accessible to all. 3. Others praise the app's innovative puzzle design, which encourages critical thinking and problem-solving skills. Please note that these conclusions are based on the user reviews available on the App Store at the time of my knowledge cutoff, and may not reflect the opinions of all users.