OS2Maps vs GPS Locate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OS2Maps
This app converts UK Ordnance Survey grid references into standard GPS coordinates. Once converted, it allows you to easily open these locations in Apple Maps or Google Maps for navigation. It's ideal for planning outdoor activities where starting points are given in OS grid format.
- Convert UK OS grid references
- Generate GPS latitude and longitude
- Open locations in Apple Maps
- Open locations in Google Maps
- Navigate to converted locations
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Convert UK Ordinance Survey grid references into standard GPS latitude and longitude. Following conversion the app enables the location to be opened easily in Apple or Google Maps. This is useful for situations such as when a start location for a walk is provided in OS grid format as this enables Apple or Google Maps to be used to navigate to the start easily.
GPS Locate
This app provides a quick and precise method for determining your current geographical coordinates and altitude across multiple systems. View your location within the app, on your Apple Watch, or as a watch face complication for easy access.
- Multiple coordinate systems (UTM, DMS, MGRS, etc.)
- Current location and altitude display
- Apple Watch app support
- Watch face complication for at-a-glance viewing
- HealthKit integration for workout tracking
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GPS Locate gives you a fast and accurate way to find your current location (and altitude) in various different coordinate systems! Your location can be viewed: • Within the app • In the Apple Watch App • As an Apple Watch complication to see at a glance Supports the following coordinate systems: • Universal Transverse Mercator (UTM) • British (Ordnance Survey) • Degrees Minutes Seconds (DMS) • Irish (Ordnance Survey Ireland) • Latitude and Longitude • Military Grid Reference System (MGRS) The watchOS app uses HealthKit to integrate with the Health app to offer workout tracking. Not only does this allow you to keep track of your walk but this also keeps the app open so you can locate yourself at a glance.
Screenshots
Verdict
The clearest difference is review sentiment: OS2Maps at 50% against GPS Locate's 0%. OS2Maps also leads on update cadence (every 6 days vs every 3 months) and iOS requirement (11.0 vs 14.0). GPS Locate's advantage is chart position (#163 vs unranked) and price ($0.99 vs $1.99). On ads, 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
OS2Maps costs $1.99 and GPS Locate $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OS2Maps ships an update every 6 days, GPS Locate every 3 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | OS2Maps | GPS Locate |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #163 — better |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 8 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Alastair Begley | David Southgate |
Customer experience
OS2Maps
GPS Locate
In-app purchases
OS2Maps
No in-app purchases
GPS Locate
No in-app purchases
