Follow along with the video below to see how to install our site as a web app on your home screen.
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The earlier versions of the app allow more direction and use of all features when not connected to data but the new upgrades kill that an now as soon you open it says data connection needed.
Try Navfree. It is free. You can download maps for free on wifi (by country or state). It then works with your GPS. No data connection is required while you navigate.