OpenStreetMap does not provide native apps, but there are plenty of (navigation) apps that provide routing based on OpenStreetMap data, my favorites being https

OpenStreetMap does not provide native apps, but there are plenty of (navigation) apps that provide routing based on OpenStreetMap data, my favorites being https://www.magicearth.com/ https://www.magicearth.com/ for car navigation, https://cycle.travel/ https://cycle.travel/ for bicycle touring and https://organicmaps.app/ https://organicmaps.app/ for everything else (also completely offline). There’s a bunch of different apps to use for bunch of different use cases: https://wiki.openstreetmap.org/wiki/List_of_OSM-based_services#Routing https://wiki.openstreetmap.org/wiki/List_of_OSM-based_servic...