# Grid Ref UTM vs GPS Coordinates Converter App

The clearest difference is rating: Grid Ref UTM at 4.6 against GPS Coordinates Converter App's 4.0. Grid Ref UTM also leads on iOS requirement (11.0 vs 15.0). GPS Coordinates Converter App's advantage is update cadence (monthly vs every 10 months) and ratings volume (1.7K vs 183). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Grid Ref UTM sells 1 one-off in-app purchase and GPS Coordinates Converter App sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Grid Ref UTM holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: GPS Coordinates Converter App has 1.7K ratings behind it against 183, 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 71% of GPS Coordinates Converter App's.

Grid Ref UTM ships an update every 10 months, GPS Coordinates Converter App monthly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Grid Ref UTM | GPS Coordinates Converter App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (183 ratings)](https://appshunter.io/ios/app/grid-ref-utm/id962314746/reviews)** | [4.0 (1.7K ratings)](https://appshunter.io/ios/app/gps-coordinates-converter-app/id1462873099/reviews) |
| Number of ratings | 183 | **1.7K** |
| Positive reviews | **73.7% of reviews** | 70.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 82 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) | [Monocubed, Inc](https://appshunter.io/developer/1616163698) |

## What reviewers say

### Grid Ref UTM

[App page](https://appshunter.io/ios/app/grid-ref-utm/id962314746)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

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


### GPS Coordinates Converter App

[App page](https://appshunter.io/ios/app/gps-coordinates-converter-app/id1462873099)

Easily convert geographic coordinates between various systems like UTM, MGRS, and different Latitude/Longitude formats. Save and share your important locations with others. Unlock advanced features for unlimited use and an ad-free experience.

**Highlights:** Convert between UPS/UTM, MGRS, Decimal Degrees, D°M'S", D°M', Save and recall frequently used coordinates, Share coordinates via messaging and social apps, Unlimited pin save (with IAP), Unlimited GPS conversions (with IAP), Ad-free experience (with IAP)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| GPS Coordinates Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate conversions
- 💡 Helpful for various use cases (search and rescue, oil rigs, etc.)

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 📝 Forced reviews to continue using the app
- 🔒 Concerns about privacy (requests for camera and microphone access)

**Reported bugs**

- Difficulty entering coordinates manually
- Map not showing location in some cases
- Inconsistent behavior when saving locations

**Requested features**

- Add ability to save and name locations
- Improve map functionality (e.g., allow panning, place markers)
- Provide more coordinate format conversion options


## Frequently asked questions

### Is Grid Ref UTM free?

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

### Is GPS Coordinates Converter App free?

GPS Coordinates Converter App is free to download, with in-app purchases available.

### Which has better reviews, Grid Ref UTM or GPS Coordinates Converter App?

Grid Ref UTM is rated higher. Grid Ref UTM averages 4.6 out of 5 from 183 ratings, while GPS Coordinates Converter App averages 4.0 from 1.7K ratings.

### Do Grid Ref UTM or GPS Coordinates Converter App have ads?

Neither Grid Ref UTM nor GPS Coordinates Converter App shows ads.

### Which is updated more often, Grid Ref UTM or GPS Coordinates Converter App?

Grid Ref UTM ships an update every 10 months, and GPS Coordinates Converter App monthly. Most recently, Grid Ref UTM was updated on October 7, 2026 and GPS Coordinates Converter App on October 13, 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.*