Ordnance Survey is an indie developer on the App Store with 2 apps. On IndieRank, they are ranked #208 out of 3,388 developers (top 6%). Their primary category is Navigation, with 215 total ratings and a 4.3★ weighted average. Their most popular app is OS Maps: Walk, Hike, Run, Bike with 215 ratings and a 4.4★ score.