Grid Ref CH1903 vs VMG Display
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grid Ref CH1903
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.
- Swiss Grid Reference display
- WGS84 Latitude and Longitude
- Location accuracy readings
- Share location via text/email
- Operates internationally
- Graphical guide to Swiss Coordinate System
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For use with mapping / topology using the Swiss Coordinate System (CH1903/LV03/SwissGrid) Find out where you are on the CH1903 system, immediately, and accurately. App Provides: Swiss Grid Ref, and WGS84 Latitude and Longitude values. The Accuracy of Readings, as indicated by your device, will also be shown. Share your Location via Text, Email, Tweet etc, or Copy to the Clipboard. (Sharing options and services will vary, depending on the device setup). Though aimed at use in Switzerland, the app will operate internationally. App includes a graphical guide to the Swiss Coordinate System. 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 an open space, where possible, away from trees, buildings and sources of interference. For continued on-screen display of Grid Reference information, please set your Auto-Lock preference in the 'Settings' App. (Settings -> General -> Auto-Lock) Compatible with handsets that feature GPS hardware. You may have to grant the app permission to use this information. -- Ad Supported.
VMG Display
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Turn your phone into a set of tools for your boat. It shows your position, speed and heading and by setting a course it calculates and displays the VMG in real time. Visualizza: - Speed (SOG) - Course (COG) - Boat Position (lat,lon) - Lolcal or UTC time - Set Bearing/Course (BRG) - Course Deviation - Velocity Made Good (VMG/VMC) no ads or subscriptions required
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Grid Ref CH1903 | VMG Display |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 12 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Irving | StudioZeroPixel |
In-app purchases
Grid Ref CH1903
- Go Ad Free$0.99
VMG Display
No in-app purchases
Questions
Is Grid Ref CH1903 free?
Is VMG Display free?
Do Grid Ref CH1903 or VMG Display have ads?
Which is updated more often, Grid Ref CH1903 or VMG Display?
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