What apps do you use that you find really helpful?

Delete

Voice mail

RVParky - great for finding campgrounds on short notice

Trucker Path - shows rest areas and gas stations. Also low bridges

Copilot RV - keeps you off roads you don't fit on

Waze - traffic alert and LEO locations

TV Antenna Helper - which way to point you OTA antenna

Allstays - finds everything you need - gas, propane, repair shops, campgrounds. Just don't trust the GPS. Take the address and put it into Google Maps

Some kind of weather alerter like Weatherbug or NOAA Weather