Do you find yourself working in a section of your region where cell service is slow as molasses? Are you sometimes looking at maps in subways or tunnels? Then you *might* appreciate https://maps.me/. The night before your journey — when wi-fi is available — just download your map and choose your path. Maps.me will save everything for offline use. You’ll be stress-free and arrive on time! Check it out! (Thanks for the tip, Caleb!)
10) Maps for Offline Use

Some more free alternatives with offline use (download the map of any country for free):
Open-Source
– OsmAnd — https://osmand.net/
– Organic Maps: Offline Hike, Bike, Trails and Navigation — https://organicmaps.app/
Closed
– Magic Earth: Free Maps & Navigation App — https://www.magicearth.com/ (with Crowd-Sourced Traffic)
Google Maps also has an offline maps feature that offers similar.
https://support.google.com/maps/answer/6291838
Although it seems you can only orient the selection box as a portrait style shape so not always the best if you need a wider area downloaded.