Comparison

Tomstrails GPS UTM vs UTM Maps

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

UTM Maps

This app allows users to work with various coordinate systems, including UTM and MGRS, on a map. It supports registering points with addresses, capturing photos with watermarks, and measuring distances and areas. Data can be exported to CSV or KML formats.

Highlights
  • UTM, MGRS, Lat/Lon coordinate support
  • Point registration with geocoding
  • Photo capture with coordinate watermark
  • Area and distance measurement
  • Data export to CSV and KML
  • Field navigation with compass and GPS
Features
Read full description

A simple APP for working with Latitude Longitude, UTM and MGRS coordinates, Maps and GPS. Register points to be displayed on a map or stored in a database complete with readable address data (geocoding). Capture photo with a watermark containing point name, coordinates and address information. Measure area, distance and registering lines and polygons. Export saved data to CSV or KML file format or locate points in the field using your built-in device's compass and GPS or with generating direction route. Register Points UTM Maps allows you to register points and stored in database to display on the map or export to a CSV file. Stored point data will automatically completed with UTM coordinates and readable address (geocoding requires internet access). Searching for Coordinates You can search for Latitude, Longitude, UTM, or MGRS coordinates to display on a map or find them in the field using a compass or Direction Route. Measure Area And Distance No need to go to the field anymore; now you can measure area and distance with various units using this application. Stores line and polygon data in database and displays it on a map. Export lines and polygons data to KML file. Data Properties / Point Details Each data displayed on the map has its own properties, making it easier to navigate and understand. Simply click on a point and the data properties will automatically appear. Find Point On The Field / Stake Out Now you can find coordinates or location in the field easily, the application will direct you to the desired coordinate point with the help of the built-in compass on your device or using Direction Route. Add Photo Add a photo from camera or library complete with a watermark containing name, coordinates and address information. Data List & Export The data list is designed to view data stored in the database, delete unnecessary data, find the location of data in the field or export data to a file. Point data can be exported to CSV files, while line and polygon data can be exported to KML files for use in other software or other devices.

Screenshots

Tomstrails GPS UTM3 screens
UTM Maps4 screens

Verdict

The call

The clearest difference is ads: Tomstrails GPS UTM at none against UTM Maps's shown. Tomstrails GPS UTM also leads on ratings volume (1.6K vs 4). UTM Maps's advantage is update cadence (every 10 days vs every 6 weeks) and review sentiment (100% vs 84%). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tomstrails GPS UTM sells 1 one-off in-app purchase and UTM Maps sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

UTM Maps holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tomstrails GPS UTM has 1.6K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 84% of Tomstrails GPS UTM's written reviews are positive against 100% of UTM Maps's.

UpkeepUpdate frequency

Tomstrails GPS UTM ships an update every 6 weeks, UTM Maps every 10 days. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Tomstrails GPS UTM versus UTM Maps: the parameters behind the verdict, then further details
ParameterTomstrails GPS UTMUTM Maps
PriceFreeFree
Rating4.8 (1.6K ratings)5.0 (4 ratings) — better
Positive reviews83.8% of reviews100.0% of reviews — better
Number of ratings1.6K — better4
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.6 — better
Further details — not scored
Size8 MB20 MB
Age rating4+4+
DeveloperTomstrails.comYogi Yogantara

Customer experience

Tomstrails GPS UTM

All ratings1,607 ratings
Positive94.3%
Neutral2.6%
Negative3.1%
Written reviews154 reviews
Positive83.8%
Neutral7.1%
Negative9.1%

UTM Maps

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

UTM Maps

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Tomstrails GPS UTM

One-time1
  • Feature PackFree
4 purchases

UTM Maps

Subscriptions4
  • Remove Ads 1 Month$0.991 Month
  • Elevation (1 Month)$1.991 Month
  • Elevations (3 Months)$3.993 Months
Show 1 more
  • Remove Ads 1 Year$5.991 Year

Questions

Is Tomstrails GPS UTM free?
Tomstrails GPS UTM is free to download, with in-app purchases available.
Is UTM Maps free?
UTM Maps is free to download, with in-app purchases available.
Which has better reviews, Tomstrails GPS UTM or UTM Maps?
UTM Maps is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while UTM Maps averages 5.0 from 4 ratings.
Do Tomstrails GPS UTM or UTM Maps have ads?
UTM Maps shows ads; Tomstrails GPS UTM does not.
Which is updated more often, Tomstrails GPS UTM or UTM Maps?
Tomstrails GPS UTM ships an update every 6 weeks, and UTM Maps every 10 days. Most recently, Tomstrails GPS UTM was updated on October 1, 2026 and UTM Maps on September 23, 2026.

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