LandProtect

Map property lines, log survey points, and measure acreage with precision. LandProtect helps you document land boundaries right from your iPhone.

Land Protect is a professional land surveying app for iPhone and iPad. Map your property boundaries with GPS precision, calculate area and perimeter, record survey markers with photos, and export to industry formats — all without a subscription.

FEATURES • Live GPS boundary mapping on satellite, topo, and street maps • Accurate area calculation in acres, hectares, sq ft, or sq meters • Full perimeter with per-segment bearings in DMS format • Drag-and-drop survey markers for precise placement • Built-in compass with true/magnetic heading and inclinometer • Marker photos — attach site photos to each boundary point • Multiple survey projects with full CRUD management • Export to CSV, KML (Google Earth), GeoJSON, DXF (AutoCAD), and survey report TXT • USGS Topo, USGS Imagery, National Map, OpenStreetMap overlays • Fully offline after map tiles are cached — no internet required for GPS

SURVEY-GRADE TOOLS Land Protect uses CoreLocation for high-accuracy GPS (±3m typical), the Haversine formula for geodetic distance, and the Shoelace theorem for polygon area — the same math used by professional surveyors.

PRIVACY All survey data stays on your device. No account required. No data sent to servers. No analytics. No ads. Ever.

"Know your boundaries." ``` https://www.apple.com/legal/internet-services/itunes/dev/stdeula/