Tomstrails GPS UTM vs Naviation UTM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tomstrails GPS UTM
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.
- 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
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GPS UTM displays a fast and accurate UTM grid reference. Locate your position on topographic maps. GPS UTM supports many of the regional datums used around the world including ED50. ∙ No phone signal required - works in the most remote locations. ∙ 1 metre, 10 metre and 100 metre formats. ∙ Paste your coordinate into other apps or share with other people. ∙ A large, clear, high contrast display ensures you can easily read your position in any light conditions. ∙ Optimal battery use based on speed of travel and current charge level ensures all day use. ∙ No Adverts. GPS UTM - know where you are.
Naviation UTM
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Naviation UTM helps manage drone flights safely and in line with EASA standards. The app offers easy-to-use interfaces for pilots, with features like live flight tracking, airspace monitoring, and support for both VLOS and BVLOS operations.
Screenshots
Verdict
The clearest difference is in-app purchases: Naviation UTM at none against Tomstrails GPS UTM's 1. Naviation UTM also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tomstrails GPS UTM sells 1 one-off in-app purchase. Naviation UTM asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 26, 2026 and September 19, 2026 respectively.
| Parameter | Tomstrails GPS UTM | Naviation UTM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.6K ratings) — better | — |
| Positive reviews | 83.8% of reviews | — |
| Number of ratings | 1.6K — better | — |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 8 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomstrails.com | Naviation |
Bugs and requests
Tomstrails GPS UTM
Reported bugs
2 issues- Stopped working after iOS update
- UTM grids were off initially, required setting changes
Requested features
4 requests- 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
Naviation UTM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tomstrails GPS UTM
- Feature PackFree
Naviation UTM
No in-app purchases
Questions
Is Tomstrails GPS UTM free?
Is Naviation UTM free?
Do Tomstrails GPS UTM or Naviation UTM have ads?
Which is updated more often, Tomstrails GPS UTM or Naviation UTM?
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