Comparison

OS2Maps vs UK Waterways Map

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

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.

Highlights
  • Convert UK OS grid references
  • Generate GPS latitude and longitude
  • Open locations in Apple Maps
  • Open locations in Google Maps
  • Navigate to converted locations
Features
Read full description

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.

About

UK Waterways Map

Features
Read full description

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

OS2Maps2 screens
UK Waterways Map4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences Β· 5 level
OS2Maps versus UK Waterways Map: the parameters behind the verdict, then further details
ParameterOS2MapsUK Waterways Map
Price$1.99Free β€” better
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 6 days β€” betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidβ€”
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPad
Requires iOS11.0 β€” better26.0
Further details β€” not scored
Size8 MB4 MB
Age rating4+4+
DeveloperAlastair BegleyJack Finnis

In-app purchases

None

OS2Maps

No in-app purchases

None

UK Waterways Map

No in-app purchases

Questions

Is OS2Maps free?
OS2Maps costs $1.99, with no in-app purchases.
Is UK Waterways Map free?
UK Waterways Map is free to download, with no in-app purchases.
Do OS2Maps or UK Waterways Map have ads?
Neither OS2Maps nor UK Waterways Map shows ads.
Which is updated more often, OS2Maps or UK Waterways Map?
OS2Maps ships an update every 6 days, and UK Waterways Map weekly. Most recently, OS2Maps was updated on September 10, 2026 and UK Waterways Map on September 17, 2026.

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