# Tomstrails GPS UTM vs UTM Coordinates Tool

The clearest difference is price: Tomstrails GPS UTM at Free against UTM Coordinates Tool's $3.99. Tomstrails GPS UTM also leads on rating (4.8 vs 3.9) and ratings volume (1.6K vs 11). UTM Coordinates Tool's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On update cadence and ads there is nothing between them.

Tomstrails GPS UTM is free to download; UTM Coordinates Tool costs $3.99 up front. Tomstrails GPS UTM sells 1 one-off in-app purchase. UTM Coordinates Tool asks for nothing beyond the download.

Tomstrails GPS UTM holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Tomstrails GPS UTM has 1.6K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 84% of Tomstrails GPS UTM's written reviews are positive against 71% of UTM Coordinates Tool's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Tomstrails GPS UTM | UTM Coordinates Tool |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/utm-coordinates-tool/id1174267396/reviews) |
| Number of ratings | **1.6K** | 11 |
| Positive reviews | **83.8% of reviews** | 70.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 8 MB | 8 MB |
| Requires iOS | 18.0 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomstrails.com](https://appshunter.io/developer/425642318) | [Nicolas Schotten](https://appshunter.io/developer/880987601) |

## What reviewers say

### Tomstrails GPS UTM

[App page](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364)

This app provides precise UTM grid references and displays your location on topographic maps. It works offline, supports various regional datums, and offers multiple coordinate formats for easy sharing and use in other applications.

**Highlights:** Fast and accurate UTM grid reference, Locate position on topographic maps, Works without phone signal, Supports regional datums (e.g., ED50), Multiple coordinate formats (1m, 10m, 100m), Share coordinates with other apps, High contrast display for readability

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feature Pack | Free | one-time |

**What reviewers like**

- 🚀 Simple and free
- 👍 Works well
- 👍 Easy to use
- 👍 Accurate and reliable
- 👍 Great for hiking and emergencies

**What reviewers complain about**

- 🐛 Doesn't do anything
- 🐛 Coordinates not always accurate
- 💰 Requires payment for some features

**Reported bugs**

- Stopped working after iOS update
- UTM grids were off initially, required setting changes

**Requested features**

- Add support for Morocco coordinate system
- Add option to average readings and hold the result
- Add option to reduce coordinate display to 6 digits for emergency use
- Bring back previous features like degrees/minutes display and ability to edit messages


### UTM Coordinates Tool

[App page](https://appshunter.io/ios/app/utm-coordinates-tool/id1174267396)

Easily convert coordinates between UTM, decimal degrees, GPS, and sexagesimal formats. Locate yourself, set pins, measure distances, search for places, and share your location data.

**Highlights:** Convert between 4 coordinate formats, Locate current position, Set and move map pins, Measure distances, Search for locations, Share coordinates, Display on maps, Save and load coordinates

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

**In-app purchases:** none


## Frequently asked questions

### Is Tomstrails GPS UTM free?

Tomstrails GPS UTM is free to download, with in-app purchases available.

### Is UTM Coordinates Tool free?

UTM Coordinates Tool costs $3.99, with no in-app purchases.

### Which has better reviews, Tomstrails GPS UTM or UTM Coordinates Tool?

Tomstrails GPS UTM is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while UTM Coordinates Tool averages 3.9 from 11 ratings.

### Do Tomstrails GPS UTM or UTM Coordinates Tool have ads?

Neither Tomstrails GPS UTM nor UTM Coordinates Tool shows ads.

### Which is updated more often, Tomstrails GPS UTM or UTM Coordinates Tool?

Tomstrails GPS UTM ships an update every 2 months, and UTM Coordinates Tool every 2 months. Most recently, Tomstrails GPS UTM was updated on September 28, 2026 and UTM Coordinates Tool on September 25, 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.*