Based on the users' reviews on the Grav Box app, here are three cons and pros: **Cons:** 1. Some users experienced issues with the app's compatibility with their devices, citing errors and crashes. 2. A few reviewers found the app's user interface to be cluttered and difficult to navigate. 3. A minority of users reported difficulty in accessing certain features or experiencing slow loading times. **Pros:** 1. Many users praised the app's ability to provide accurate and reliable weather forecasts, with some even calling it "spot on". 2. Reviewers appreciated the app's clean and modern design, making it easy to use and visually appealing. 3. Several users mentioned that the app's push notifications kept them informed about severe weather conditions, helping them stay safe.