Tomstrails GPS Duo vs UTM Geo Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tomstrails GPS Duo
This app displays your location using various global coordinate systems, including British, Irish, MGRS, and UTM grids, as well as latitude and longitude. It features an optimized battery life for extended use and a high-contrast display for readability in all conditions.
- Multiple grid formats (British, Irish, MGRS, UTM)
- Latitude & Longitude display
- Optimized battery life
- High-contrast display
- Simultaneous grid format display
Read full descriptionHide full description
Provides a clear and concise display of your position in map coordinates used widely around the world. GRID FORMATS • British Grid, used by Ordnance Survey in Great Britain. • Irish Grid, used by Ordnance Survey in Ireland. • MGRS (Military Grid Reference System) • UTM used worldwide with both the WGS-84 datum and ED50 in parts of Europe. • Latitude & Longitude in decimal and sexagesimal notation. EXTENDED BATTERY LIFE Tomstrails GPS optimizes the frequency of position updates depending on battery charge and speed of travel to make sure you can always make a call at the end of the day, great for multi-day trips. The GPS is never enabled when the app is in background. CRISP, CLEAR DISPLAY A clear, high contrast display ensures you can read the position quickly in any light conditions. Simultaneous grid formats allows emergency services to coordinate ground and aerial support.
UTM Geo Map
This app allows users to work with various coordinate systems including Latitude/Longitude, UTM, and MGRS. Save points with automatic address information, view them on a map, and navigate using GPS. Manage all saved points in a data list with new icon customization.
- Supports Latitude/Longitude, UTM, MGRS, DMS, Geohash, Plus Codes
- Save points with automatic address info
- Navigate using device GPS
- Manage saved points in a data list
- Add custom icons for saved points
Read full descriptionHide full description
UTM Maps – Mgrs & Utm Map Easily work with Latitude/Longitude, UTM, MGRS, DMS, Geohash, and Plus Codes. Save points with automatic address info, view details on the map, and navigate in the field using your device’s GPS. Manage all saved points in a clear data list for quick access. New Feature :Add an icon for new records, making it easier for you to mark coordinate points. GLandUTM - UTM Geo Map Easy and reliable geo map.
Screenshots
Verdict
Tomstrails GPS Duo and UTM Geo Map both sit at 4.6 stars, but that hides the real split: 100% of UTM Geo Map's written reviews are positive against 91% of Tomstrails GPS Duo's. Tomstrails GPS Duo's advantage is iOS requirement (11.0 vs 16). On price, rating, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Tomstrails GPS Duo against 4.8 for UTM Geo Map. Both are backed by a comparable volume of ratings — 149 and 111 respectively. Written reviews are what separate them: 91% of Tomstrails GPS Duo's written reviews are positive against 100% of UTM Geo Map's.
Tomstrails GPS Duo ships an update monthly, UTM Geo Map every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Tomstrails GPS Duo | UTM Geo Map |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (149 ratings) | 4.8 (111 ratings) — better |
| Positive reviews | 90.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 149 — better | 111 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 16 |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomstrails.com | 4Digsoft |
Customer experience
Tomstrails GPS Duo
UTM Geo Map
Bugs and requests
Tomstrails GPS Duo
Reported bugs
6 issues- App crashes on launch in certain locations
- iPad GPS not recognized despite device capability
- Azimuth readings approximately 30 degrees inaccurate
- Google Maps linking feature broken in recent updates
- Inconsistent performance with older iOS versions
Show 1 moreShow fewer
- Guernsey location not supported, causing crashes
Requested features
17 requests- Apple Watch full compatibility
- Dark mode or inverted colors for night navigation
- Portrait orientation mode
- 10-figure grid references instead of 8-figure
- NAD83 coordinate system support
Show 12 moreShow fewer
- Ability to record and save multiple coordinate readings
- Date and time copying to clipboard
- Custom grid support for surveyors
- Stakeout functionality (direction and distance to target coordinates)
- Negative elevation support
- Comma-separated coordinate format for third-party app integration
- Last 5 coordinates history
- Direct OS grid reference capture and sharing
- Map datum selection option
- Automatic real-time coordinate updates as you move
- Built-in compass feature
- Portrait mode support
UTM Geo Map
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tomstrails GPS Duo
No in-app purchases
UTM Geo Map
No in-app purchases
Questions
Is Tomstrails GPS Duo free?
Is UTM Geo Map free?
Which has better reviews, Tomstrails GPS Duo or UTM Geo Map?
Do Tomstrails GPS Duo or UTM Geo Map have ads?
Which is updated more often, Tomstrails GPS Duo or UTM Geo Map?
Other comparisons
