Hip Charts

Hip Charts brings NOAA ENC nautical charts to your iPhone—completely free. Pan and zoom the map and official NOAA charts load automatically over Wi‑Fi or cellular. Download chart areas ahead of time for offline use on the water, including custom polygon boundaries. Measure distances right on the chart. Choose how charts look: • Default — NOAA’s standard chart tiles; fast and simple • Customized — adjust depth units, text size, harbor/shoreline structures (breakwaters, piers, docks), routes and marina info, and sharper rendering Need help reading symbols? Open Settings → Chart Legend for NOAA’s official U.S. Chart No. 1. Everything in the app is free. No subscriptions, no paywall. This app does not fulfill chart carriage requirements for regulated commercial vessels under Titles 33 and 44 of the Code of Federal Regulations.