Grid Ref UTM vs Coordinate Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grid Ref UTM
Pinpoint your exact map reference location globally using the Universal Transverse Mercator (UTM) system. Displays UTM grid references, hemisphere, and WGS84 latitude/longitude. Share your location via Twitter. Ideal for outdoor enthusiasts.
- UTM Grid Reference display
- WGS84 Latitude and Longitude
- Hemisphere information
- Location sharing via Twitter
- Accuracy of readings indicator
- International operation with USA UTM Zones guide
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Pinpoint your current map reference location anywhere in the world, using the Universal Transverse Mercator geographic coordinate system. (UTM) App Provides: UTM Grid Ref, Hemisphere, and WGS84 Latitude and Longitude values. The Accuracy of Readings, as indicated by your device, will also be shown. Tweet to Share your Location via Twitter! Grid Ref UTM - Your Grid Reference App! App will operate internationally. App includes a graphical guide to the United States (USA) UTM Zones. 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. 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.
Coordinate Converter
Convert GPS coordinates to various formats like DMS, DDM, UTM, MGRS, and GARS. This tool works offline, allowing you to capture, convert, and save locations without an internet connection. It's ideal for field use, SAR operations, and map enthusiasts.
- Offline GPS coordinate conversion
- Supports DD, DMS, DDM, UTM, MGRS, GARS
- Capture current location or paste coordinates
- History log for saved locations
- Share converted locations
- Ad-free and privacy-focused
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MyGPSConverter - Offline GPS Coordinate Conversion Tool Quickly convert your current GPS location into multiple coordinate formats—even without a data connection. Perfect for hikers, responders, military personnel, and map users needing accurate offline location conversions. Capture your current longitude and latitude, paste coordinates from other sources, or enter any location manually. Convert and view your position across popular reference systems used in paper maps, SAR operations, and field reports. All conversions are stored in a history log for easy access later. Key Features: • Converts coordinates between multiple supported formats • Supports DD, DMS, DDM, UTM, MGRS, and GARS • Works entirely offline—no signal or internet required • Smart input fields auto-parse pasted coordinates • Save and revisit converted locations with the built-in history log • Share any converted location via text, email, or clipboard • 100% ad-free and privacy-focused—no tracking or data collection Supported Coordinate Formats: • DD (Decimal Degrees) Simple format using decimal values for latitude and longitude. Example: 37.774945, -122.419434 • DMS (Degrees, Minutes, Seconds) Traditional format expressing degrees, minutes, and seconds. Example: 37°46'29.6"N, 122°25'09.8"W • DDM (Degrees and Decimal Minutes) Combines whole degrees with decimal minutes. Example: 37°46.493'N, 122°25.164'W • UTM (Universal Transverse Mercator) Metric, zone-based grid system used for detailed maps. Example: 10S 551000mE, 4182000mN • MGRS (Military Grid Reference System) Refines UTM into alphanumeric grid squares for high precision. Example: 10SEG5510028200 • GARS (Global Area Reference System) Military grid dividing the globe into 30-minute cells. Example: 006AG3 Ideal for hikers, emergency responders, military personnel, and anyone needing accurate coordinate conversions in the field.
Screenshots
Verdict
The clearest difference is in-app purchases: Coordinate Converter at none against Grid Ref UTM's 1. Coordinate Converter also leads on update cadence (monthly vs every 10 months) and review sentiment (100% vs 74%). Grid Ref UTM's advantage is ratings volume (183 vs 20) and iOS requirement (11.0 vs 17.0). On price, 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
Both are free to download. Grid Ref UTM sells 1 one-off in-app purchase. Coordinate Converter asks for nothing beyond the download.
Coordinate Converter holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Grid Ref UTM has 183 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 74% of Grid Ref UTM's written reviews are positive against 100% of Coordinate Converter's.
Grid Ref UTM ships an update every 10 months, Coordinate Converter monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | Grid Ref UTM | Coordinate Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (183 ratings) | 4.8 (20 ratings) — better |
| Positive reviews | 73.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 183 — better | 20 |
| Update frequency | Every 10 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Irving | Richard Vetter |
Customer experience
Grid Ref UTM
Coordinate Converter
In-app purchases
Grid Ref UTM
- Go Ad Free$0.99
Coordinate Converter
No in-app purchases
Questions
Is Grid Ref UTM free?
Is Coordinate Converter free?
Which has better reviews, Grid Ref UTM or Coordinate Converter?
Do Grid Ref UTM or Coordinate Converter have ads?
Which is updated more often, Grid Ref UTM or Coordinate Converter?
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