Offers in-app purchases

The MapFinder app will remain for customers to use and access their purchased map tiles but unfortunately will no longer be updated with new features and content. For the latest and most up to date app from Ordnance survey search for ‘OS Maps’. The OS Maps app also allows customers to download a digital version of their paper map, and view and subscribe to see all of the GB Ordnance Survey maps.

OS Maps won the Digital Product of the year 2017 by the Outdoor Industry Association.

Please note: OS Maps and The MapFinder are not compatible and therefore purchases cannot be transferred between the apps.

OS MapFinder is a large download. With it, you can search our 1:250 000 scale road map by place name, postcode or address. You won’t even need an internet connection to search as it also works offline. Then, via the in-app options, you can buy the OS Landranger (1:50 000) and OS Explorer (1:25 000) close-up maps of the areas you’d like to focus on – and after purchase, those maps will always be available on your device too.

Plan your route in advance using our route-planning tools, or track your location (with your phone) using the integrated GPS. Discover Britain’s hidden treasures, things like historic monuments and mountain peaks, or just go for a ramble and use the map to discover more of the landscape. See how long it will take on average to walk your favourite routes – plan, plot and review your own walks, runs and cycle rides, knowing you have the features and reliability of our Explorer and Landranger paper maps to hand.

Ordnance Survey maintains Great Britain’s definitive digital mapping database. With purchases made via OS MapFinder, you’ll have access to high-resolution map tiles that work anywhere regardless of signal.

OS MapFinder includes:

• A free overview of Great Britain at 1:250 000 scale
• Free road maps down to street level
• Options to buy high-resolution OS Explorer and OS Landranger maps
• Route recording and planning tools – record your routes in real time
• Route import and export functions
• Time, distance, OS grid references, latitude and longitude
• Select a route, see how long it will take on average to walk
• Place name look-up – postcodes and places in Great Britain
• Ordnance Survey grid reference look-up
• And useful tips on how to read and navigate maps

Customer Support
Our team is here to help if you get any problems with OS MapFinder. If you can, check the FAQs first at, or contact us via our online customer service portal at

App and Map sizes
The app is a large download. It has to save the maps and search database to your device. Please make sure your device has enough free space and you’re connected to a stable WiFi point before starting the download. The purchasable map sections are around 60MB each. If you want to save space, you can remove a purchased map section from your device, and then download it again (free of charge) when you next need it.

Map Updates
We will no longer be issuing updates to map tiles, but you will be able to continue to use any current tiles you have purchased.
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1,103 total

What's New

-Fixed route export bug
-Tutorial text and images made clearer
-Corrected crashing bug appearing on devices running Gingerbread

We have investigated an issue and have found that the Android 4.4 (KitKat) platform does not correctly open offline maps. Google’s engineers are aware, and we are hopeful of an update.
Here is the link for the Android bug report:
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Additional Information

February 12, 2015
Current Version
Requires Android
4.0 and up
Content Rating
Interactive Elements
Digital Purchases
In-app Products
$1.14 - $2.75 per item
Offered By
Ordnance Survey Ltd
Ordnance Survey Adanac Drive Southampton SO16 0AS United Kingdom
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