# Coordinates vs Tomstrails GPS UTM

The clearest difference is ads: Tomstrails GPS UTM at none against Coordinates's shown. Tomstrails GPS UTM also leads on review sentiment (84% vs 64%). Coordinates's advantage is ratings volume (6.8K vs 1.6K) and device support (4 vs 1). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Coordinates sells 6 in-app purchases, starting at $1.99 per month and Tomstrails GPS UTM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Coordinates against 4.8 for Tomstrails GPS UTM. Both are backed by a comparable volume of ratings — 6.8K and 1.6K respectively. Written reviews are what separate them: 64% of Coordinates's written reviews are positive against 84% of Tomstrails GPS UTM's.

Coordinates ships an update monthly, Tomstrails GPS UTM every 6 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Coordinates | Tomstrails GPS UTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (6.8K ratings)](https://appshunter.io/ios/app/coordinates-gps-converter/id494286614/reviews) | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** |
| Number of ratings | **6.8K** | 1.6K |
| Positive reviews | 63.6% of reviews | **83.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 8 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mapnitude Company Limited](https://appshunter.io/developer/473558784) | [Tomstrails.com](https://appshunter.io/developer/425642318) |

## What reviewers say

### Coordinates

[App page](https://appshunter.io/ios/app/coordinates-gps-converter/id494286614)

This app is a versatile tool for converting and managing geographic coordinates. It supports numerous global formats and datums, allowing users to view, input, and save locations with rich details. Ideal for professionals and outdoor enthusiasts needing precise location data.

**Highlights:** Coordinate conversion (UTM, MGRS, Georef, etc.), Batch conversion of multiple coordinates, Add notes, photos, and media to saved locations, Datum conversion with PROJ.4 support, Real-time navigation and tracking, Offline map tile downloads, Import/export GPX, GeoJSON, KML files

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Upgrade | $1.99 | per month |
| Plus Upgrade | $2.99 | per month |
| Plus Upgrade | $9.99 | per 6 months |
| Plus Upgrade | $15.99 | per 6 months |
| Plus Upgrade | $17.99 | per year |
| Plus Upgrade | $28.99 | per year |

**What reviewers like**

- 🚀 Accurate location finding
- 👍 Simple and easy to use
- 💡 Supports multiple coordinate formats
- 🚀 Works well overseas
- 👍 Helpful for environmental research

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 💰 Expensive subscription to remove ads
- 🤔 Confusing or unintuitive user interface
- 🔍 Difficulty finding small locations
- 🙄 Ads covering important information

**Reported bugs**

- Coordinate display issues (e.g., UTM showing incorrect hemisphere)
- App crashing or freezing on launch
- Inability to delete drawn lines or markers
- Coordinate conversion not working as expected
- Compatibility issues with newer iPhone models

**Requested features**

- Navigation and routing functionality
- Support for What3Words coordinate system
- Option to set preferred coordinate format as default
- Ability to enter addresses or intersections to get coordinates
- Add altitude information to saved locations


### 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


## Frequently asked questions

### Is Coordinates free?

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

### Is Tomstrails GPS UTM free?

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

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

Tomstrails GPS UTM is rated higher. Coordinates averages 4.6 out of 5 from 6.8K ratings, while Tomstrails GPS UTM averages 4.8 from 1.6K ratings.

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

Coordinates shows ads; Tomstrails GPS UTM does not.

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

Coordinates ships an update monthly, and Tomstrails GPS UTM every 6 weeks. Most recently, Coordinates was updated on October 30, 2026 and Tomstrails GPS UTM on October 29, 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.*