GPS OS Grid Reference

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.
• No adverts.

An In-App Purchase provides additional premium features:
• Magnetic compass bearing.
• Sharing your current location either as a grid reference, or a link to Google Maps.

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.