A free app for Android, by Navionics.

This app is a comprehensive boating package with charts, route planning, weather, waypoints, and more.

It has a user-friendly interface that lets you get up-to-date information on the water, whether you’re a boat owner or a boater. The app will automatically download the latest charts and map updates. You can also download them on your device. It’s perfect for boaters of all experience levels.

You can create and edit waypoints, so you’ll never lose your boat location again.

It can also help you find and plan routes. You can create a route and add waypoints along the way.