Based on the users' reviews of the Coin Madness app, here are three cons and pros: **Cons:** 1. Users complain about frequent crashes and freezing issues, causing frustration. 2. Some users find the app's user interface confusing and difficult to navigate. 3. A few users experienced issues with account verification and login problems. **Pros:** 1. Users praise the app's user-friendly design and easy-to-use interface. 2. Many users appreciate the app's ability to track their cryptocurrency investments. 3. Some users report receiving accurate and timely updates on market trends and prices. Note: The reviews are based on the App Store ratings and reviews at the time of my knowledge cutoff.