# Tomstrails GPS Duo vs My GPS Coordinates Lite

The clearest difference is in-app purchases: Tomstrails GPS Duo at none against My GPS Coordinates Lite's 2. Tomstrails GPS Duo also leads on ads (none vs shown) and ratings volume (149 vs 31). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. My GPS Coordinates Lite sells 2 in-app purchases, starting at $0.99 per month. Tomstrails GPS Duo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Tomstrails GPS Duo against 4.8 for My GPS Coordinates Lite. Both are backed by a comparable volume of ratings — 149 and 31 respectively.

Tomstrails GPS Duo ships an update monthly, My GPS Coordinates Lite every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Tomstrails GPS Duo | My GPS Coordinates Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (149 ratings)](https://appshunter.io/ios/app/tomstrails-gps-duo/id425642315/reviews) | **[4.8 (31 ratings)](https://appshunter.io/ios/app/my-gps-coordinates-lite/id1505742576/reviews)** |
| Number of ratings | **149** | 31 |
| Positive reviews | 90.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 77 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tomstrails.com](https://appshunter.io/developer/425642318) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## What reviewers say

### Tomstrails GPS Duo

[App page](https://appshunter.io/ios/app/tomstrails-gps-duo/id425642315)

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.

**Highlights:** Multiple grid formats (British, Irish, MGRS, UTM), Latitude & Longitude display, Optimized battery life, High-contrast display, Simultaneous grid format display

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎯 Accurate GPS coordinates and location tracking
- ⚡ Fast performance and quick GPS fixes
- 🔋 Low battery consumption
- 📍 Multiple coordinate system support (Lat/Long, UTM, MGRS, OS Grid)

**What reviewers complain about**

- 🧭 Azimuth/compass readings reported as ~30 degrees off
- 📍 Limited coordinate system options (missing NAD83)
- 🔄 Recent UI changes made coordinate systems less accessible
- ⌚ Apple Watch functionality limited or unavailable
- 🌙 No dark mode or night navigation support

**Reported bugs**

- 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

**Requested features**

- 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


### My GPS Coordinates Lite

[App page](https://appshunter.io/ios/app/my-gps-coordinates-lite/id1505742576)

Easily view your geographical coordinates in multiple formats, including DMS, DDM, DD, and UTM. Capture photos with embedded GPS data or save locations to a history log. Share your position instantly via messages or social media.

**Highlights:** Multiple coordinate formats (DMS, DDM, DD, UTM), Altitude and GPS accuracy display, Photo capture with GPS overlay, Save and manage locations, SOS functionality for sharing coordinates, Share coordinates via messages and social media

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly GPS Coordinates Lite+ | $0.99 | per month |
| Annual GPS Coordinates Lite+ | $8.99 | per year |


## Frequently asked questions

### Is Tomstrails GPS Duo free?

Tomstrails GPS Duo is free to download, with no in-app purchases.

### Is My GPS Coordinates Lite free?

My GPS Coordinates Lite is free to download, with in-app purchases available.

### Which has better reviews, Tomstrails GPS Duo or My GPS Coordinates Lite?

My GPS Coordinates Lite is rated higher. Tomstrails GPS Duo averages 4.6 out of 5 from 149 ratings, while My GPS Coordinates Lite averages 4.8 from 31 ratings.

### Do Tomstrails GPS Duo or My GPS Coordinates Lite have ads?

My GPS Coordinates Lite shows ads; Tomstrails GPS Duo does not.

### Which is updated more often, Tomstrails GPS Duo or My GPS Coordinates Lite?

Tomstrails GPS Duo ships an update monthly, and My GPS Coordinates Lite every 3 weeks. Most recently, Tomstrails GPS Duo was updated on November 1, 2026 and My GPS Coordinates Lite on November 7, 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.*