Their stand-alone map application Windy Maps is pretty darn nice too. It's a really nice compliment to OsmAnd and GaiaGPS for viewing OSM data, and they've done

Their stand-alone map application Windy Maps is pretty darn nice too. It's a really nice compliment to OsmAnd and GaiaGPS for viewing OSM data, and they've done a good job showing relations which helps illustrate cycling and hiking routes.