Comparison

Grid Ref UK and Ireland vs OS2Maps

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grid Ref UK and Ireland

Pinpoint your exact map reference location in the UK and Ireland. Displays GB and Irish Grid References, along with OSGB36 and WGS84 Latitude/Longitude. Ideal for outdoor enthusiasts needing precise location data.

Highlights
  • GB Grid Reference
  • Irish Grid Reference
  • WGS84 Latitude/Longitude
  • OSGB36 Latitude/Longitude
  • Location sharing via Twitter
  • Graphical grid guides
Features
Read full description

Pinpoint your current map reference location anywhere in the United Kingdom or Ireland. App Provides: GB Grid Ref, Irish Grid Ref, OSGB36 and WGS84 Latitude and Longitude values. GB Grid Reference Values are used on Ordnance Survey (OS) Maps in Great Britain (Mainland). Irish National Grid Values are used on Ordnance Survey Ireland and Ordnance Survey Northern Ireland (OSNI) Maps. Grid References will be given to 3 Digits. The Accuracy of Readings, as indicated by your device, will also be shown. Tweet to Share your Location via Twitter! Grid Ref UK and Ireland - Your Grid Reference App! App will operate internationally, but the "Grid Reference" information is intended for use in the British Isles (UK and Republic of Ireland). App includes a graphical guide to the GB and Irish National Grids. Ideally suited for use by walkers, hikers and outdoor sports enthusiasts. It is recommended that you should always carry a map and physical compass when on outdoor pursuits. For best results, use in a flat position, not an upright position. Much like a traditional compass. Use in an open space, where possible, away from trees, buildings and sources of interference. The screen can, optionally, be set to stay on, for continued on-screen display of Grid Reference information. Compatible with handsets that feature GPS hardware. You may have to grant the app permission to use this information. -- Ad Supported. Users can opt to Get 10 Figure Grid References and Remove All Ads from the App, via an In-App Purchase.

About

OS2Maps

This app converts UK Ordnance Survey grid references into standard GPS coordinates. Once converted, it allows you to easily open these locations in Apple Maps or Google Maps for navigation. It's ideal for planning outdoor activities where starting points are given in OS grid format.

Highlights
  • Convert UK OS grid references
  • Generate GPS latitude and longitude
  • Open locations in Apple Maps
  • Open locations in Google Maps
  • Navigate to converted locations
Features
Read full description

Convert UK Ordinance Survey grid references into standard GPS latitude and longitude. Following conversion the app enables the location to be opened easily in Apple or Google Maps. This is useful for situations such as when a start location for a walk is provided in OS grid format as this enables Apple or Google Maps to be used to navigate to the start easily.

Screenshots

Grid Ref UK and Ireland4 screens
OS2Maps2 screens

Verdict

The call

The clearest difference is price: Grid Ref UK and Ireland at Free against OS2Maps's $1.99. Grid Ref UK and Ireland also leads on review sentiment (81% vs 50%). OS2Maps's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 9 months). On ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Grid Ref UK and Ireland is free to download; OS2Maps costs $1.99 up front. Grid Ref UK and Ireland sells 1 one-off in-app purchase. OS2Maps asks for nothing beyond the download.

UpkeepUpdate frequency

Grid Ref UK and Ireland ships an update every 9 months, OS2Maps every 6 days. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
Grid Ref UK and Ireland versus OS2Maps: the parameters behind the verdict, then further details
ParameterGrid Ref UK and IrelandOS2Maps
PriceFree — better$1.99
Rating4.3 (4 ratings) — better—
Positive reviews81.0% of reviews — better50.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 9 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.011.0
Further details — not scored
Size5 MB8 MB
Age rating4+4+
DeveloperMike IrvingAlastair Begley

Customer experience

Grid Ref UK and Ireland

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews21 reviews
Positive81.0%
Neutral0.0%
Negative19.0%

OS2Maps

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

Grid Ref UK and Ireland

One-time1
  • 10 Figure Grid Refs, no ads$0.99
None

OS2Maps

No in-app purchases

Questions

Is Grid Ref UK and Ireland free?
Grid Ref UK and Ireland is free to download, with in-app purchases available.
Is OS2Maps free?
OS2Maps costs $1.99, with no in-app purchases.
Do Grid Ref UK and Ireland or OS2Maps have ads?
Neither Grid Ref UK and Ireland nor OS2Maps shows ads.
Which is updated more often, Grid Ref UK and Ireland or OS2Maps?
Grid Ref UK and Ireland ships an update every 9 months, and OS2Maps every 6 days. Most recently, Grid Ref UK and Ireland was updated on October 20, 2026 and OS2Maps on October 14, 2026.

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