GPS OS Grid Reference
GPS OS Grid Reference is #135 in Navigation Free in United Kingdom and charting in 1 of 30 countries we track.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperTomstrails.com
CategoryNavigation
PriceFree
Released
Rating★ 0.0 (0)
Version3.0.5
Age rating4+
First seen by us
26 Sep 2026
26 Sep 2026Installs (est.)100k+ worldwide
Rating
0.0 ★
0 ratings
Measured
Best rank now
#135
Navigation FreeMeasured
GPS OS Grid Reference on the App Store
App details
App ID
993436655
Publisher
John Spinks
On the store since
May 2015
11 years on the store
Minimum OS
iOS 18.0+
iPhone XS and later
Devices
iPhone · iPad · Watch
Content rating
4+
Languages
1
EN
Size
14 MB
Also listed in
Health & Fitness
GPS OS Grid Reference downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where GPS OS Grid Reference's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | NavigationFree | #135 |
Apps near GPS OS Grid Reference on the chart
Navigation Free, around #135.
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About 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.
• 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.
• 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.
Latest updates
3.0.5
Minor improvements on iOS 27.
3.0.4
Minor improvements to the interface.
Store changes
What GPS OS Grid Reference changed on its store page: name, icon, screenshots, price, size, languages, requirements.
App got bigger
11 MB → 14 MB (+26%)
