OS2Maps vs UK Waterways Map
Price, ratings, monetisation and update history for both apps, side by side β 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.
UK Waterways Map
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Your new indispensable guide to all major canal systems, rivers, and navigations in England, Wales and Scotland. Completely free with no ads or in-app purchases. KEY FEATURES Detailed maps of over 500 UK waterways Navigate all major canal systems, rivers, and navigations in England, Wales and Scotland. Annotate the map with the location of locks, weirs, access points and other features. Your map annotations are automatically saved and synced across all your devices. Measure the distance between any two points along a waterway. Get turn-by-turn directions using Apple Maps. PERFECT FOR BOATERS - Plan narrowboat holidays with precise canal routes and distance measurements. PADDLERS - Kayakers, canoeists, and paddleboarders can find and log access points, locks and weirs. ANGLERS - Find and log the best fishing spots. WALKERS & CYCLISTS - Follow towpaths with accurate distance measurements. SWIMMERS - Discover swimming spots and access points. ANYONE who wants to discover the hidden beauty of Britain's canal and river network.
Screenshots
Verdict
The clearest difference is price: UK Waterways Map at Free against OS2Maps's $1.99. OS2Maps's advantage is device support (4 vs 2) and iOS requirement (11.0 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
UK Waterways Map is free to download; OS2Maps costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OS2Maps ships an update every 6 days, UK Waterways Map weekly. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.
| Parameter | OS2Maps | UK Waterways Map |
|---|---|---|
| Price | $1.99 | Free β better |
| Positive reviews | 50.0% of reviews | β |
| Update frequency | Every 6 days β better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | β |
| Devices | iPhone, iPad, iPod, Mac β better | iPhone, iPad |
| Requires iOS | 11.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 8 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Alastair Begley | Jack Finnis |
In-app purchases
OS2Maps
No in-app purchases
UK Waterways Map
No in-app purchases









