Based on the user reviews for the Speed Meter app, here are three pros and cons: **Pros:** 1. Accurate speed tracking: Users praise the app's consistent and accurate speed readings, making it a reliable tool for measuring speed. 2. Easy to use: The app is straightforward and simple to use, requiring minimal setup or configuration to get started. 3. Precise lap times: Reviewers appreciate the app's ability to track lap times with precision, making it useful for athletes and fitness enthusiasts. **Cons:** 1. Limited device compatibility: Some users report issues with the app working properly on certain devices, including older iPhones and iPads. 2. Battery drain: A few reviewers complain that the app can cause their device's battery to drain quickly, even when not in use. 3. Lack of customization options: A minority of users find the app's settings and features to be limited, with no options to customize the app to their specific needs or preferences.