# Tomstrails GPS UTM vs GPS Data Smart

The clearest difference is update cadence: Tomstrails GPS UTM at every 6 weeks against GPS Data Smart's every 4 months. Tomstrails GPS UTM also leads on review sentiment (84% vs 74%) and ratings volume (1.6K vs 406). GPS Data Smart's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Tomstrails GPS UTM sells 1 one-off in-app purchase and GPS Data Smart sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Tomstrails GPS UTM against 4.7 for GPS Data Smart. Both are backed by a comparable volume of ratings — 1.6K and 406 respectively. Written reviews are what separate them: 84% of Tomstrails GPS UTM's written reviews are positive against 74% of GPS Data Smart's.

Tomstrails GPS UTM ships an update every 6 weeks, GPS Data Smart every 4 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tomstrails GPS UTM | GPS Data Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** | [4.7 (406 ratings)](https://appshunter.io/ios/app/gps-data-smart/id1076838348/reviews) |
| Number of ratings | **1.6K** | 406 |
| Positive reviews | **83.8% of reviews** | 74.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 22 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomstrails.com](https://appshunter.io/developer/425642318) | [ExaMobile S.A.](https://appshunter.io/developer/506014841) |

## 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


### GPS Data Smart

[App page](https://appshunter.io/ios/app/gps-data-smart/id1076838348)

Track your outdoor activities with detailed GPS information. Monitor altitude, speed, location, and signal quality. View sunrise/sunset times and local UTC time on a world map.

**Highlights:** Altitude and elevation tracking, Latitude and longitude coordinates, Speed in km/h or mph, GPS signal quality indicator, Directional compass, Sunrise and sunset times, Local UTC time

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $0.99 | per year |
| Premium | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🎯 Accurate GPS coordinates and data
- ⚡ Fast and responsive performance
- 🧹 Clean, uncluttered design
- 📍 Multiple coordinate format options

**What reviewers complain about**

- 🐛 App crashes on older iOS versions
- 🔒 Unauthorized clipboard access privacy concern
- ❌ Missing advertised features in screenshots
- 💳 Premium features require payment despite description
- ⚠️ Inconsistent functionality across devices

**Reported bugs**

- App crashes on iOS 9.3.6 and older versions
- Clipboard access without user permission
- Premium payment issues - repeated charges
- Radar page freezes when adding location
- App unresponsive after entering address in radar

**Requested features**

- Marine coordinate format (DD MM.MMM)
- Speed display in knots
- Satellite PRN (Pseudo-Random Noise) information
- Precise heading/bearing in degrees (001-360)
- Photo capture and attachment functionality


## Frequently asked questions

### Is Tomstrails GPS UTM free?

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

### Is GPS Data Smart free?

GPS Data Smart is free to download, with in-app purchases available.

### Which has better reviews, Tomstrails GPS UTM or GPS Data Smart?

Tomstrails GPS UTM is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while GPS Data Smart averages 4.7 from 406 ratings.

### Do Tomstrails GPS UTM or GPS Data Smart have ads?

Neither Tomstrails GPS UTM nor GPS Data Smart shows ads.

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

Tomstrails GPS UTM ships an update every 6 weeks, and GPS Data Smart every 4 months. Most recently, Tomstrails GPS UTM was updated on October 18, 2026 and GPS Data Smart on October 14, 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.*