# GNSS View vs Tomstrails GPS UTM

The clearest difference is in-app purchases: GNSS View at none against Tomstrails GPS UTM's 1. GNSS View also leads on iOS requirement (14.0 vs 18.0). Tomstrails GPS UTM's advantage is rating (4.8 vs 4.3) and ratings volume (1.6K vs 19). On price, ads and device support there is nothing between them.

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

Tomstrails GPS UTM holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Tomstrails GPS UTM has 1.6K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 69% of GNSS View's written reviews are positive against 84% of Tomstrails GPS UTM's.

GNSS View ships an update every 7 months, Tomstrails GPS UTM every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | GNSS View | Tomstrails GPS UTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/gnss-view/id924350018/reviews) | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/tomstrails-gps-utm/id1004370364/reviews)** |
| Number of ratings | 19 | **1.6K** |
| Positive reviews | 68.8% of reviews | **83.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 8 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [Tomstrails.com](https://appshunter.io/developer/425642318) |

## What reviewers say

### GNSS View

[App page](https://appshunter.io/ios/app/gnss-view/id924350018)

Visualize the positions of satellite navigation systems like QZSS and GPS in the sky. View satellite arrangements on a radar or through augmented reality from your current location. Supports multiple satellite constellations and customizable display options.

**Highlights:** Position Radar view of satellites, Augmented Reality (AR) display, Supports QZSS, GPS, GLONASS, BeiDou, Galileo, SBAS, Select specific signal satellites, Set elevation mask angle, Display HDOP and VDOP values

**In-app purchases:** none


### 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 GNSS View free?

GNSS View is free to download, with no in-app purchases.

### Is Tomstrails GPS UTM free?

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

### Which has better reviews, GNSS View or Tomstrails GPS UTM?

Tomstrails GPS UTM is rated higher. GNSS View averages 4.3 out of 5 from 19 ratings, while Tomstrails GPS UTM averages 4.8 from 1.6K ratings.

### Do GNSS View or Tomstrails GPS UTM have ads?

Neither GNSS View nor Tomstrails GPS UTM shows ads.

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

GNSS View ships an update every 7 months, and Tomstrails GPS UTM every 6 weeks. Most recently, GNSS View was updated on October 24, 2026 and Tomstrails GPS UTM on October 24, 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.*