# Tomstrails GPS UTM vs UTM Geo Map

The clearest difference is in-app purchases: UTM Geo Map at none against Tomstrails GPS UTM's 1. UTM Geo Map also leads on review sentiment (100% vs 84%) and device support (3 vs 1). Tomstrails GPS UTM's advantage is ratings volume (1.6K vs 93). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Tomstrails GPS UTM sells 1 one-off in-app purchase. UTM Geo Map asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Tomstrails GPS UTM against 4.7 for UTM Geo Map. That said, the two scores are not equally well evidenced: Tomstrails GPS UTM has 1.6K ratings behind it against 93, so its average is the more settled of the two. Written reviews are what separate them: 84% of Tomstrails GPS UTM's written reviews are positive against 100% of UTM Geo Map's.

Tomstrails GPS UTM ships an update every 6 weeks, UTM Geo Map every 2 months. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Tomstrails GPS UTM | UTM Geo Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** | [4.7 (93 ratings)](https://appshunter.io/ios/app/utm-geo-map/id6744716161/reviews) |
| Number of ratings | **1.6K** | 93 |
| Positive reviews | 83.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 42 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomstrails.com](https://appshunter.io/developer/425642318) | [4Digsoft](https://appshunter.io/developer/1799889257) |

## 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 Geo Map

[App page](https://appshunter.io/ios/app/utm-geo-map/id6744716161)

This app allows users to work with various coordinate systems including Latitude/Longitude, UTM, and MGRS. Save points with automatic address information, view them on a map, and navigate using GPS. Manage all saved points in a data list with new icon customization.

**Highlights:** Supports Latitude/Longitude, UTM, MGRS, DMS, Geohash, Plus Codes, Save points with automatic address info, Navigate using device GPS, Manage saved points in a data list, Add custom icons for saved points

**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 Geo Map free?

UTM Geo Map is free to download, with no in-app purchases.

### Which has better reviews, Tomstrails GPS UTM or UTM Geo Map?

Tomstrails GPS UTM is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while UTM Geo Map averages 4.7 from 93 ratings.

### Do Tomstrails GPS UTM or UTM Geo Map have ads?

Neither Tomstrails GPS UTM nor UTM Geo Map shows ads.

### Which is updated more often, Tomstrails GPS UTM or UTM Geo Map?

Tomstrails GPS UTM ships an update every 6 weeks, and UTM Geo Map every 2 months. Most recently, Tomstrails GPS UTM was updated on October 21, 2026 and UTM Geo Map on October 8, 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.*