# GPS OS Grid Reference

> Great Britain and Ireland

Canonical page: [https://chrome-stats.com/d/id993436655](https://chrome-stats.com/d/id993436655)

## Overview

- **ID:** `id993436655`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Tomstrails.com
- **Category:** Navigation
- **Rating:** 4.40 / 5 (17 ratings)
- **Version:** 3.0.4
- **Last updated:** 2026-08-11
- **First published:** 2015-05-30
- **Size:** 11 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/gps-os-grid-reference/id993436655)
- **Website:** [http://tomstrails.com](http://tomstrails.com/)
- **Privacy policy:** [http://tomstrails.com/privacy.html](http://tomstrails.com/privacy.html)

## Description

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.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

## Rankings

- #271,155 — Overall
- #91 — grid

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Source: [Chrome-Stats](https://chrome-stats.com/d/id993436655)