Comparison

Tomstrails GPS UTM vs 3D Offline 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

3D Offline Maps

Explore the world with detailed 2D and 3D offline maps. Record GPS tracks, save routes, and import/export GPX files for seamless navigation on any adventure, even without an internet signal. Plan your journeys, mark points of interest, and share your travels with friends.

Highlights
  • Detailed 2D and 3D offline maps
  • GPS track recording
  • Route planning
  • GPX/KML/KMZ import/export
  • Waypoint creation and management
  • Offline map downloads with unlimited storage
  • Step counter
Features
Read full description

Detailed 2D and 3D maps for navigation, travel, hiking, and outdoor adventures all over the world. Download maps in advance, use them offline without internet access, record GPS tracks, save routes and waypoints, import and export GPX files, and keep everything important close at hand on every trip. Plan routes, build your own collection of tracks, mark interesting places on the map, share data with friends, and travel more comfortably even where there is no signal. The app supports offline maps with no time limits on storage and contains no ads. Main features: - 9 map types: satellite, vector, and 3D maps. - compatible with Apple Silicon Macs. - background track recording. - compare tracks by speed, elevation, and time at any distance, including gains and delays relative to a selected reference track. - fast and convenient map downloads. - route planner. - step counter with data for the last three months (steps, distance). - elevation for any waypoint. - address search. - coordinate search. - compass. - barometer. - track processing and optimization. - offline map downloads with unlimited storage time. - supports all available ways on your device to import and export tracks and waypoints in GPX, KML, KMZ format. - color gradient by speed and elevation for imported tracks when this data is available. - color gradient by speed and elevation for recorded tracks. - records speed and elevation in tracks. - contour lines in outdoor mode. - extended track information: average and maximum speed, duration, distance, and number of waypoints. - different units of measurement: miles, kilometers, feet, meters. - view one or multiple tracks in any app mode, including while recording another track. - create, edit, and delete waypoints in any mode and anywhere on the map. - selectable icons for waypoints. - track recording quality settings, distance filters, and power saving mode. - points to the selected waypoint and shows the distance to it. - shows the current distance covered and time on route. - quick start and stop of track recording. - several map orientation modes: by device compass, by direction of movement, centered mode, and north-up mode. - map tilt with a two-finger gesture. - quick selection and convenient viewing of saved tracks, waypoints, and downloaded maps. - speed and elevation charts with zooming and scrolling. - link to the user guide in settings. - waypoint photos: take photos, store them, open the waypoint on the map from the photo, and share your shots. - photo geotagging: coordinates and shooting data are saved in the text caption and in EXIF/GPS metadata. - Terms of Service: https://appsupport.store/terms/ - Privacy Policy: https://appsupport.store/privacy

Screenshots

Tomstrails GPS UTM3 screens
3D Offline Maps4 screens

Verdict

The call

The clearest difference is in-app purchases: Tomstrails GPS UTM at none against 3D Offline Maps's 7. 3D Offline Maps's advantage is update cadence (every 6 days vs every 6 weeks) and device support (3 vs 1). On price, rating, review sentiment and ratings volume 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. 3D Offline Maps sells 6 in-app purchases, starting at $1.99 per 7 days. Tomstrails GPS UTM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tomstrails GPS UTM holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.6K and 655 respectively. Written reviews point the same way: 84% of Tomstrails GPS UTM's written reviews are positive against 80% of 3D Offline Maps's.

UpkeepUpdate frequency

Tomstrails GPS UTM ships an update every 6 weeks, 3D Offline Maps every 6 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Tomstrails GPS UTM versus 3D Offline Maps: the parameters behind the verdict, then further details
ParameterTomstrails GPS UTM3D Offline Maps
PriceFreeFree
Rating4.8 (1.6K ratings) — better4.6 (655 ratings)
Positive reviews83.8% of reviews — better80.2% of reviews
Number of ratings1.6K — better655
Update frequencyEvery 6 weeksEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.4 — better
Further details — not scored
Size8 MB72 MB
Age rating4+4+
DeveloperTomstrails.comSERGEI BEZDENEZHNYKH

Customer experience

Tomstrails GPS UTM

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

3D Offline Maps

All ratings651 ratings
Positive88.6%
Neutral5.8%
Negative5.5%
Written reviews86 reviews
Positive80.2%
Neutral3.5%
Negative16.3%

User reviews

Tomstrails GPS UTM

From 1.6K App Store ratings

What we love

  • 🚀 Simple and free
  • 👍 Works well
  • 👍 Easy to use
  • 👍 Accurate and reliable
  • 👍 Great for hiking and emergencies

Room to improve

  • 🐛 Doesn't do anything
  • 🐛 Coordinates not always accurate
  • 💰 Requires payment for some features

3D Offline Maps

From 655 App Store ratings

What we love

  • 🗺️ Excellent 3D mapping technology
  • 👍 Clear and colorful visualization
  • 🧭 Effective offline navigation
  • 🔄 Map rotation capability for trail viewing
  • ⛰️ Great for hiking and outdoor activities

Room to improve

  • 💰 Expensive pricing
  • 🐛 3D offline maps turn black and become grainy
  • 🗺️ Trails not clearly marked or visible
  • 🏷️ Roads not identified or labeled
  • ⏱️ Slow rendering and zoom performance

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

3D Offline Maps

Reported bugs

4 issues
  • 3D offline maps display black and grainy visuals
  • Maps require zooming out and back in to clear display
  • GPX file download compatibility issues
  • Background tracking does not work

Requested features

5 requests
  • CarPlay support integration
  • Map selection icon on main page
  • Current/real-time satellite imagery
  • Map gradients relative to pitch
  • Background tracking functionality

In-app purchases

None

Tomstrails GPS UTM

No in-app purchases

6 purchases

3D Offline Maps

Subscriptions4
  • Premium Week2 variants$1.997 Days
  • Premium Month3 Days trial$3.991 Month
  • Premium Annual3 Days trial$12.991 Year
Show 1 more
  • Annual Sale$12.991 Year
One-time2
  • Matching to road$0.99
  • Lifetime$19.99

Questions

Is Tomstrails GPS UTM free?
Tomstrails GPS UTM is free to download, with no in-app purchases.
Is 3D Offline Maps free?
3D Offline Maps is free to download, with in-app purchases available.
Which has better reviews, Tomstrails GPS UTM or 3D Offline Maps?
Tomstrails GPS UTM is rated higher. Tomstrails GPS UTM averages 4.8 out of 5 from 1.6K ratings, while 3D Offline Maps averages 4.6 from 655 ratings.
Do Tomstrails GPS UTM or 3D Offline Maps have ads?
Neither Tomstrails GPS UTM nor 3D Offline Maps shows ads.
Which is updated more often, Tomstrails GPS UTM or 3D Offline Maps?
Tomstrails GPS UTM ships an update every 6 weeks, and 3D Offline Maps every 6 days. Most recently, Tomstrails GPS UTM was updated on November 1, 2026 and 3D Offline Maps on November 3, 2026.

Other comparisons