Another very useful app is the National Public Toilet Map. Also free for download, it is a more specific app that gives you toilet locations all around Australia.
The RAA recommends that drivers take a break every 2 hours and spend at least 15 minutes outside of the car - walk around, have a drink or something to eat, do something other than driving. Fatigue is the major cause of serious casualty crashes on South Australian road, it's so very important to rest often. The Rest Stop Locator App can help you plan those breaks so that everyone arrives at your destination safe and sound.