Ordnance Survey is an indie developer on the App Store with 2 apps. On IndieRank, they are ranked #3 out of 3,687 developers (top 0%). Their primary category is Navigation, with 92,619 total ratings and a 4.7★ weighted average. Their most popular app is OS Maps: Walk, Hike, Run, Bike with 92.6K ratings and a 4.7★ score.