You know the drive from Grand Junction to Moab loses signal. You printed the directions. You downloaded a free offline map via the "Ok Maps" trick (type "ok maps" into the Google Maps search bar while viewing the area on mobile—it caches the region for 30 days).
That is the real value of free road trip planning. The price is zero. The dividend is infinite.
But in the modern era, that magic is often buried under a mountain of subscription fees. “Upgrade to Pro for offline maps.” “Pay $4.99 to avoid tolls.” “Subscribe to our premium route optimizer.”