# Grid Ref GK vs FX Smart

The clearest difference is in-app purchases: FX Smart at none against Grid Ref GK's 1. FX Smart also leads on update cadence (monthly vs every 12 months). Grid Ref GK's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Grid Ref GK sells 1 one-off in-app purchase. FX Smart asks for nothing beyond the download.

Grid Ref GK ships an update every 12 months, FX Smart monthly. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Grid Ref GK | FX Smart |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free | — |
| Size | 5 MB | 185 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mike Irving](https://appshunter.io/developer/393933736) | [Frox GmbH](https://appshunter.io/developer/562873670) |

## 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 |


### FX Smart

[App page](https://appshunter.io/ios/app/fx-smart/id1613131637)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Grid Ref GK free?

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

### Is FX Smart free?

FX Smart is free to download, with no in-app purchases.

### Do Grid Ref GK or FX Smart have ads?

Neither Grid Ref GK nor FX Smart shows ads.

### Which is updated more often, Grid Ref GK or FX Smart?

Grid Ref GK ships an update every 12 months, and FX Smart monthly. Most recently, Grid Ref GK was updated on October 20, 2026 and FX Smart on October 7, 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.*