# Grid Ref GK vs UTM & MGRS Coordinates

The clearest difference is update cadence: UTM & MGRS Coordinates at every 5 weeks against Grid Ref GK's every 12 months. Grid Ref GK's advantage is iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Grid Ref GK sells 1 one-off in-app purchase and UTM & MGRS Coordinates sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Grid Ref GK ships an update every 12 months, UTM & MGRS Coordinates every 5 weeks. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Grid Ref GK | UTM & MGRS Coordinates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/grid-ref-gk-gau-kruger/id1146847858/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 15 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mike Irving](https://appshunter.io/developer/393933736) | [Rene Winkelmeyer](https://appshunter.io/developer/1156932140) |

## What reviewers say

### Grid Ref GK

[App page](https://appshunter.io/ios/app/grid-ref-gk-gau-kruger/id1146847858)

This app helps you find your precise location using the Gauß-Krüger coordinate system, providing both GK grid references and WGS84 latitude/longitude. It displays the accuracy of your device's readings and allows you to easily share your location data via text, email, or other services. While primarily designed for use in Germany, it functions internationally and includes a guide to the GK system.

**Highlights:** Gauß-Krüger grid reference, WGS84 Latitude and Longitude, Device reading accuracy display, Location sharing (text, email, tweet), Copy location to clipboard, Graphical guide to GK system, International operation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Ad Free | $0.99 | one-time |


### UTM & MGRS Coordinates

[App page](https://appshunter.io/ios/app/utm-and-mgrs-coordinates/id6795611215)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zonepoint Pro | $8.99 | one-time |


## Frequently asked questions

### Is Grid Ref GK free?

Grid Ref GK is free to download, with in-app purchases available.

### Is UTM & MGRS Coordinates free?

UTM & MGRS Coordinates is free to download, with in-app purchases available.

### Do Grid Ref GK or UTM & MGRS Coordinates have ads?

Neither Grid Ref GK nor UTM & MGRS Coordinates shows ads.

### Which is updated more often, Grid Ref GK or UTM & MGRS Coordinates?

Grid Ref GK ships an update every 12 months, and UTM & MGRS Coordinates every 5 weeks. Most recently, Grid Ref GK was updated on October 20, 2026 and UTM & MGRS Coordinates on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*