With that said, there have been a lot of reports of the Navionics chart installer not working. However, once you have downloaded the charts, the maps are resident on your device and can be accessed as a reliable tool for charts even when outside of cellular reception.
To get the Navionics chart installer on your computer, you need an SD card, an internet/ wifi connection, and a Navionics/Garmin account. You can select the desired coverage area of your charts to fit your boating needs, e.g., Swedish lakes, Italian coasts, or the Eland Islands. These charts help you to better navigate through different waters with detailed cartography for marine and lakes. It also saves you money from buying other competent applications to do so. Furthermore, the Navionics Chart Installer is a free computer application that lets you interact with the content on your Navionics GPS Plotter card any time you need.