GPS OS Grid Reference app icon

Apps Like GPS OS Grid Reference for iPhone and iPad

Locate position on OS maps

GPS OS allows users to determine their location on Ordnance Survey maps of Great Britain and Ireland without needing a phone signal. It provides high-accuracy positioning using OSTN15 transformation data.

by John Spinks★ 4.417 ratingsNavigationFreeData updated 2026-09-09

GPS OS Grid Reference screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Tomstrails GPS Duo app icon

    Tomstrails GPS Duo

    John Spinks

    Map coordinates displayed worldwide clearly.

    The app displays map coordinates in multiple grid formats including British Grid, Irish Grid, MGRS, and UTM. It also shows Latitude & Longitude in decimal and sexagesimal notation for global use.

    ★ 4.6145 ratingsNavigationFreeData updated 2026-09-18
  2. GPSts app icon

    GPSts

    ishii yuuta

    Convert GPS coordinates with compass.

    The app converts UTM/MGRS coordinate values obtained using iPhone GPS. It includes a compass and altimeter for user support.

    ★ 4.24 ratingsNavigationFreeData updated 2026-10-09
  3. GB Grid Ref Compass app icon

    GB Grid Ref Compass

    Michael Irving

    Locate yourself on Great Britain.

    The app displays the user's current location on a map of Great Britain. It provides the GB Grid Ref, compass bearing, and latitude/longitude in OSGB36 and WGS84 formats.

    ★ 3.02 ratingsNavigation$0.99Data updated 2026-09-28
  1. GPS Diagnostic: Satellite Test app icon

    GPS Diagnostic: Satellite Test

    David Ryall

    GPS, track location, diagnose issues

    Provides GPS navigation with fast lock time and precise parameters. Supports multiple systems including GPS, Galileo, GLONASS, and QZSS. Diagnoses location issues and suggests fixes. Includes latitude, longitude, and WGS84 by default.

    ★ 4.7553 ratingsNavigation$2.99Data updated 2026-10-10
  2. GPS Locate app icon

    GPS Locate

    David Southgate

    And view coordinates in real time

    Displays current location and altitude. View coordinates in UTM, DMS, MGRS, and others. Access location within the , Apple Watch , or as a complication.

    ★ 4.02 ratingsNavigation$0.99Data updated 2026-09-23
  3. Outside Maps app icon

    Outside Maps

    Replicade Ltd.

    Navigate with offline and turn-by-turn directions

    View and navigate mapping data with a touch interface. Access Ordnance Survey for Great Britain at 1:50000 scale. Explore worldwide coverage with detailed topographic and road layers. Search for locations, zoom, and pan across .

    ★ 2.02 ratingsNavigationFreeData updated 2026-09-08
  4. Irish Grid Ref Compass app icon

    Irish Grid Ref Compass

    Michael Irving

    Irish Grid Reference and Map

    The app displays the user's current location on a map of Ireland or Northern Ireland. It provides the Irish Grid Reference, compass bearing, and latitude/longitude in OSGB36 and WGS84 formats, along with GPS signal strength.

    ★ 0.00 ratingsNavigation$0.99Data updated 2026-09-30
  5. GridPoint GB app icon

    GridPoint GB

    George MacKerron

    Locate yourself with grid references

    Locate yourself on OS maps using GPS and compass. View current grid reference and heading. Convert coordinates with OSTN02 for accuracy. Track easting, northing, and tetra. Includes Apple Watch and complication.

    ★ 0.00 ratingsNavigationFreeData updated 2026-09-08
  6. UK Map app icon

    UK Map

    Mappendix Limited

    Download maps, plan routes, record tracks.

    The app offers unlimited free map downloads based on Ordnance Survey OpenData, with options for paid map downloads. It allows users to mark waypoints, plan routes, record tracks, and import/export GPX files.

    ★ 3.37 ratingsNavigation$9.99Data updated 2026-10-01
  7. Avenza Maps: Offline Mapping app icon

    Avenza Maps: Offline Mapping

    Avenza Systems Inc.

    Navigate with maps and GPS

    Use GPS to navigate trails . Import custom maps and create personal maps. Access topographic, hiking, cycling, and city maps from publishers like National Geographic and National Park Service. Sync with devices for use.

    ★ 4.8128,089 ratingsNavigationFreeData updated 2026-10-10
  8. WeightWatchers Program app icon

    WeightWatchers Program

    WW International, Inc.

    Track meals, log points, and stay

    Track daily food intake with Points® system to stay within budget. Manage menopause symptoms with tailored tools. Set weight goals and monitor progress. Sync data across devices. Receive personalized recommendations based on dietary needs.

    ★ 4.82,360,810 ratingsHealth & FitnessFreeData updated 2026-09-08
  9. onX Hunt: GPS Hunting Maps app icon

    onX Hunt: GPS Hunting Maps

    onXmaps, Inc.

    Plan hunts, view , track land boundaries

    Plan hunts by viewing species distribution and 3D . Access units and land boundaries. Save offline and mark waypoints. Track weather conditions and property lines. Use satellite, lidar, and hybrid basemaps for terrain analysis.

    ★ 4.9274,476 ratingsNavigationFreeData updated 2026-10-10
  10. Outdooractive. Hike and Ride app icon

    Outdooractive. Hike and Ride

    Outdooractive AG

    Find approved trails and routes

    Find officially approved hiking, biking, running, and ski touring routes near you and worldwide. View detailed trail information, including difficulty, length, and elevation. Plan trips, save favorite routes, and access maps and GPS navigation.

    ★ 4.4448 ratingsTravelFreeData updated 2026-09-14
  11. Tomstrails GPS UTM app icon

    Tomstrails GPS UTM

    John Spinks

    Locate position with UTM grid references

    GPS UTM displays precise UTM grid references with 1 metre, 10 metre, and 100 metre formats. Locate position on topographic maps using global datums like ED50. Share coordinates with other apps or users.

    ★ 4.81,604 ratingsNavigationFreeData updated 2026-09-10
  12. i-Boating: Marine Charts & Gps app icon

    i-Boating: Marine Charts & Gps

    Bist LLC

    Navigate with and river

    Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.

    ★ 4.514,838 ratingsNavigationFreeData updated 2026-09-09
  13. BAA app icon

    BAA

    Scottish Avalanche Information Service

    ★ 0.00 ratingsSportsFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.