GPS OS Grid Reference vs GPS Coordinates
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPS OS Grid Reference
This app accurately pinpoints your location on Ordnance Survey maps for Great Britain and Ireland, even without a phone signal. It offers precise grid references, waypoint creation, and navigation features. The display is designed for clarity in all lighting conditions, and it optimizes battery usage.
- Offline map location
- Accurate grid references
- Waypoint creation and management
- High-contrast display
- Battery optimization
- Share waypoints
Read full descriptionHide full description
GPS OS provides a fast and accurate way to locate your position on an Ordnance Survey map, both in Great Britain and Ireland. • No phone signal required - works in the most remote locations. • OSTN15 transform data for high conversion accuracy (better than 1m). • 6, 8 and 10 figure grid references. • A large, clear, high contrast display ensures you can easily read your position in any light conditions. • Optimises the frequency of position updates depending on battery charge and speed of travel to make sure you can always make calls at the end of the day. • Create waypoints from a map, your current location or manually enter Ordnance Survey coordinates. • Explore waypoints and get directions in Apple Maps. • Share waypoints with other apps or users. • No adverts. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Includes OSTN15 transform data licensed with permission. Copyright and database rights Ordnance Survey Limited 2016, ©Crown copyright and database rights Land and Property Services 2016 and/or ©Ordnance Survey Ireland, 2016. All rights reserved.
GPS Coordinates
Easily find latitude, longitude, address, and altitude for any location on the map. Supports multiple coordinate systems and route planning with distance calculation. Save favorite spots and share map views.
- Get location details by tapping the map
- Plan routes with multiple points
- Save favorite locations with iCloud backup
- Support for WGS-84, GCJ-02, and BD-09 coordinate systems
- Search for places
- Traffic and satellite map layers
Read full descriptionHide full description
Map Latitude & Longitude Assistant helps you quickly check a place’s latitude/longitude, address, and altitude right on the map. It also supports coordinate conversions (WGS‑84 / GCJ‑02 / BD‑09). Great for surveying, field work, and outdoor trips. Features: - Tap a spot to get latitude/longitude, address, and altitude - Build a route with multiple points and see distance - Save favorites with iCloud backup - Long‑press to drop a pin quickly - Coordinate systems: WGS‑84, GCJ‑02 (Mars), BD‑09 (Baidu) - Search places - Traffic & satellite map layers - Share the current map page
Screenshots
Verdict
The clearest difference is rating: GPS OS Grid Reference at 4.4 against GPS Coordinates's 3.5. GPS OS Grid Reference also leads on ads (none vs shown). GPS Coordinates's advantage is iOS requirement (12.0 vs 18.0). On price, ratings volume, update cadence and in-app purchases 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. GPS OS Grid Reference sells 2 in-app purchases, starting at $5.99 per year and GPS Coordinates sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
GPS OS Grid Reference holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 17 and 8 respectively.
GPS OS Grid Reference ships an update every 3 months, GPS Coordinates every 2 months. The most recent releases landed on October 9, 2026 and September 18, 2026 respectively.
| Parameter | GPS OS Grid Reference | GPS Coordinates |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (17 ratings) — better | 3.5 (8 ratings) |
| Positive reviews | 89.9% of reviews | — |
| Number of ratings | 17 — better | 8 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomstrails.com | ErxiangHeyi Information |
Customer experience
GPS OS Grid Reference
GPS Coordinates
Bugs and requests
GPS OS Grid Reference
Reported bugs
5 issues- Waypoint finder satellite view is blurry
- Compass is not accurate
- Accuracy has dropped recently
- Location services permanently dimmed off (iOS)
- App does not work for users not in England
Requested features
10 requests- Add map data and search functionality
- Improve satellite map clarity
- Add ability to view location on a map
- Enable navigation from point to point
- Add Apple Watch equivalent app
Show 5 moreShow fewer
- Display latitude and longitude
- Add a dynamic display for accuracy improvement
- Implement time averaging for accuracy
- Allow copying grid reference to clipboard
- Add facility to store and recall reference information
GPS Coordinates
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GPS OS Grid Reference
- Premium Features7 Days trial$5.991 Year
- Feature Pack - Compass & sharing features.Free
GPS Coordinates
- LifeTime$6.99
Questions
Is GPS OS Grid Reference free?
Is GPS Coordinates free?
Which has better reviews, GPS OS Grid Reference or GPS Coordinates?
Do GPS OS Grid Reference or GPS Coordinates have ads?
Which is updated more often, GPS OS Grid Reference or GPS Coordinates?
Other comparisons
