The GPX Viewer app is an offline application that allows you to view and navigate through the GPX file format. This application is free and works without any ads or in-app purchases.

It has a simple user interface that lets you easily search through your tracks and routes for the ones that you are interested in. This way, you will be able to keep track of the information that you need for your activities. You can also add custom waypoints to your tracks, so you can get to your desired point even easier.

When you add a waypoint, you will be able to edit its location, speed, and other properties. This way, you will be able to adjust the waypoint according to the track or route that you want to follow. You can also create your own tracks and routes, so you can add the waypoints to the tracks that you create.

GPX Viewer has a very simple user interface, so even if you don't have any experience with the GPX file format, you can still navigate through the app and use it. It is a GPS tracker, so you can add the waypoints and tracks to the map and see the location of the waypoints on the map.