Based on the reviews of the app "GPS Track Viewer" on Google Play Store, here are three pros and cons: **Pros:** 1. Accurate tracking: Reviewers praise the app's ability to track their movements and activities with high accuracy. 2. User-friendly interface: Many users find the app's interface easy to navigate and use, with clear displays of tracking data. 3. Useful for outdoor activities: The app is often praised for its ability to help users track their outdoor activities, such as hiking or biking. **Cons:** 1. Limited map view: Some reviewers criticize the app's limited map view, which can make it difficult to track movements offline. 2. Lack of real-time updates: A few users express frustration with the app's delay in updating tracking data, which can be inconvenient for real-time monitoring. 3. Ads and in-app purchases: Some reviewers complain about the app's inclusion of ads and in-app purchases, which can be distracting and costly.