MGRS

Military Grid Reference System coordinates and GPS lookup.

Download on the App Store

MGRS GPS turns your iPhone into a fast, glanceable military grid reference readout — built for soldiers, search-and-rescue teams, hunters, hikers, orienteers, and field researchers who think in grids and often work without a signal.

Your position is shown as a large, high-contrast MGRS grid you can read at arm’s length and copy with one tap. Mark waypoints, organize them into color-coded overlays, navigate with a clear bearing-and-distance display, record breadcrumb tracks, and keep working when the cell signal drops.

Position, Any Format

  • MGRS / USNG military grid reference
  • UTM / UPS
  • Latitude / Longitude (decimal, DDM, DMS)
  • OSGB British National Grid
  • Show up to three formats at once
  • 2- to 10-figure MGRS; lat/long can be read in WGS84, NAD27, OSGB36, ED50 or AGD66 (MGRS/UTM are always on WGS84)
  • Latitudes beyond 84°N / 80°S are not output as MGRS text (use UTM/UPS)

One-Tap Sharing

  • Tap any readout to copy your grid instantly
  • Share via the system share sheet
  • Send a waypoint as a QR code and scan it in MGRS GPS, no network needed
  • Share waypoints as GPX (AirDrop, Messages, Files)

Waypoints & Overlays

  • Mark your current location, a map point, or type a grid
  • Group waypoints into toggleable, color-coded overlays
  • Draw lines and polygons for routes, sectors, and boundaries
  • Plan multi-point routes with per-leg distance and bearing

Map With a Real Grid

  • Smooth, labeled MGRS / UTM grid overlay
  • Waypoint markers and gentle clustering
  • Measure ruler reads distance in degrees AND mils
  • Range rings and square, rectangle or circle area shapes
  • Projected waypoints from range and bearing
  • Night vision: the whole app, map included, in red
  • Follow mode keeps your current zoom
  • Big bearing arrow, distance, cross-track, and ETA
  • True, magnetic, or grid north reference
  • Offline magnetic declination from an embedded World Magnetic Model (WMM2025)
  • Arrival alert with haptic feedback

Works Offline

  • Download USGS topo, imagery or shaded-relief tiles for offline use (US coverage, up to 50,000 tiles per area)
  • Import your own raster MBTiles, or add your own tile server
  • GPS, grid, waypoints and navigation work with no cell signal; Apple map tiles need a connection
  • Offline indicator so you always know your status

Track Recording

  • Record breadcrumb tracks with distance, elevation gain, and time
  • Export tracks as GPX

Import & Export

  • Full GPX import / export (waypoints + tracks)
  • KML and CSV import / export (waypoints only)
  • Open GPX files shared from other apps

Apple Watch, Widgets & Live Activities

  • Glance at your grid and bearing on your wrist (data comes from the iPhone)
  • Grid and Nav widgets
  • Pin your grid to the Lock Screen and Dynamic Island

Private by Design

  • No ads
  • No subscriptions
  • No accounts, no cloud sign-in
  • No analytics SDKs or third-party trackers
  • Your data stays on your device

MGRS GPS is a one-time purchase — every feature is included. No subscriptions, no in-app purchases, and no ads, ever.

Not certified for aviation, marine, surveying, live-fire, or military operations. Always carry a backup means of navigation.

How to use MGRS

All 15 guides →
SpeedTrace Track speed, distance, and routes for driving, cycling, and more. Spotless Find junk, duplicates, big files, and app leftovers — and see how much you can reclaim before you pay a cent. Nav Rules: COLREGS Exam Prep USCG Rules of the Road practice tests, diagrams and the full rule text — offline.