GPS OS Grid Reference

Great Britain and Ireland

Free · In-App Purchases

GPS OS provides a fast and accurate way to locate your position on an Ordnance Survey map, both in Great Britain and Ireland. • No phone signal required - works in the most remote locations. • OSTN15 transform data for high conversion accuracy (better than 1m). • 6, 8 and 10 figure grid references. • A large, clear, high contrast display ensures you can easily read your position in any light conditions. • Optimises the frequency of position updates depending on battery charge and speed of travel to make sure you can always make calls at the end of the day. • Create waypoints from a map, your current location or manually enter Ordnance Survey coordinates. • Explore waypoints and get directions in Apple Maps. • Share waypoints with other apps or users. • No adverts. Includes OSTN15 transform data licensed with permission. Copyright and database rights Ordnance Survey Limited 2016, ©Crown copyright and database rights Land and Property Services 2016 and/or ©Ordnance Survey Ireland, 2016. All rights reserved.

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Create, edit and organize Ordnance Survey waypoints. Share with other apps and users.

The developer, Tomstrails.com, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Larger Text

      • Dark Interface

      • Differentiate Without Colour Alone

      • Sufficient Contrast

    • Seller
      • John Spinks
    • Size
      • 8.7 MB
    • Category
      • Navigation
    • Compatibility
      Requires iOS 17.0 or later.
      • iPhone
        Requires iOS 17.0 or later.
      • Apple Watch
        Requires watchOS 11.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © Tomstrails