Navigator Companion is a route planner application that runs on Samsung Galaxy and Gear smartwatches. It is designed to work with the Navigator Companion widget installed on the smartwatch, and the Galaxy Wearable application installed on the phone. The application is free to use and is available for Android platform.

The primary function of Navigator Companion is to provide route planning and navigation assistance to users, particularly those who are always on the go. It offers real-time GPS tracking, accurate maps, and turn-by-turn directions to help users reach their destination quickly and efficiently. The application is optimized to work with Samsung Galaxy Watch / Watch 3 (all variants), Samsung Galaxy Active / Active 2, Samsung Gear S3 (all variants), Gear S2 (all variants), Gear Sport, and Gear Fit 2 / Fit 2 Pro smartwatches.

However, it is worth noting that the application is dependent on the Galaxy Wearable application to function, which could be a downside to some users. Overall, Navigator Companion is a useful application for those who need a reliable route planner and navigation tool on their Samsung smartwatch.