# Grid Ref CH1903 vs VMG Display

The clearest difference is price: Grid Ref CH1903 at Free against VMG Display's $0.99. Grid Ref CH1903 also leads on iOS requirement (11.0 vs 14.0). VMG Display's advantage is in-app purchases (none vs 1) and update cadence (every 3 months vs every 12 months). On ads and device support there is nothing between them.

Grid Ref CH1903 is free to download; VMG Display costs $0.99 up front. Grid Ref CH1903 sells 1 one-off in-app purchase. VMG Display asks for nothing beyond the download.

Grid Ref CH1903 ships an update every 12 months, VMG Display every 3 months. The most recent releases landed on September 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Grid Ref CH1903 | VMG Display |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grid-ref-ch1903/id1146848398/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 5 MB | 6 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mike Irving](https://appshunter.io/developer/393933736) | [StudioZeroPixel](https://appshunter.io/developer/997649941) |

## What reviewers say

### Grid Ref CH1903

[App page](https://appshunter.io/ios/app/grid-ref-ch1903/id1146848398)

This app helps you find your precise location within the Swiss Coordinate System (CH1903). It displays your Swiss Grid Reference and WGS84 Latitude/Longitude, along with accuracy readings. Share your location easily via text or email.

**Highlights:** Swiss Grid Reference display, WGS84 Latitude and Longitude, Location accuracy readings, Share location via text/email, Operates internationally, Graphical guide to Swiss Coordinate System

**Features:** Vision Pro support

**In-app purchases (1)**

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


### VMG Display

[App page](https://appshunter.io/ios/app/vmg-display/id6479241881)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grid Ref CH1903 free?

Grid Ref CH1903 is free to download, with in-app purchases available.

### Is VMG Display free?

VMG Display costs $0.99, with no in-app purchases.

### Do Grid Ref CH1903 or VMG Display have ads?

Neither Grid Ref CH1903 nor VMG Display shows ads.

### Which is updated more often, Grid Ref CH1903 or VMG Display?

Grid Ref CH1903 ships an update every 12 months, and VMG Display every 3 months. Most recently, Grid Ref CH1903 was updated on September 22, 2026 and VMG Display on October 9, 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.*