Best Os2Maps Apps

180+ iOS apps curated and reviewed

4.7 avg rating
15 free apps
Updated June 2026

Out of 180+ os2maps apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Os2Maps Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OS2MapsOS2Maps$1.99β€”NoNoJul 2026
2OS Maps: Walk, Hike, Run, BikeOS Maps: Walk, Hike, Run, BikeFree4.7β˜… (426)YesYesJul 2026
3what3words: Navigation & Mapswhat3words: Navigation & MapsFree4.8β˜… (44K)NoYesJul 2026
4RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo MapsRouteBuddy Atlas - GPS Nav App for US and Worldwide Topo MapsFree5.0β˜… (1)NoYesMay 2026
5OsmAnd Maps Travel & NavigateOsmAnd Maps Travel & NavigateFree4.6β˜… (5.5K)NoYesJul 2026
6CityMaps2Go Pro  Offline MapsCityMaps2Go Pro Offline Maps$11.994.5β˜… (1.6K)NoYesJul 2026
7Topo Maps+: Topographic MapsTopo Maps+: Topographic MapsFree4.7β˜… (9.2K)YesYesJul 2026
8Google MapsGoogle MapsFree4.7β˜… (7.3M)YesYesJul 2026

Top Picks for Os2Maps

OS2Maps#1

OS2Maps by Alastair Begley

Open grid references in maps
Editor's Choice
πŸ—ΊοΈ Navigation
0.0(0 ratings)
$1.99
OS2Maps screenshot 1
OS2Maps screenshot 2

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.

OS Maps: Walk, Hike, Run, Bike#2

OS Maps: Walk, Hike, Run, Bike by Ordnance Survey

Trail map, plan & GPS navigate
Strong Contender
πŸ—ΊοΈ Navigation
4.7😐(426 ratings)
FreeAdsIn-App Purchases
OS Maps: Walk, Hike, Run, Bike screenshot 1
OS Maps: Walk, Hike, Run, Bike screenshot 2
OS Maps: Walk, Hike, Run, Bike screenshot 3
OS Maps: Walk, Hike, Run, Bike screenshot 4
OS Maps: Walk, Hike, Run, Bike screenshot 5
OS Maps: Walk, Hike, Run, Bike screenshot 6

Discover and plan outdoor adventures with detailed maps and GPS navigation. Track your hikes, runs, and bike rides, and stay safe with offline maps and community alerts. Explore new trails and relive your past activities.

What We Love

  • πŸ—ΊοΈ Excellent OS mapping
  • πŸ“ Accurate GPS location tracking
  • πŸ› οΈ Useful route planning tools
  • πŸ”‹ Offline maps for battery life

Room to Improve

  • πŸ› Frequent app crashes and bugs
  • ⏱️ Slow map loading and refreshing
  • πŸ”’ Subscription issues and login problems
what3words: Navigation & Maps#3

what3words: Navigation & Maps by What3Words Limited

Navigate to any exact location
Worth Considering
πŸ—ΊοΈ Navigation
4.8😊(44K ratings)
FreeIn-App Purchases
#100in Navigation
what3words: Navigation & Maps screenshot 1
what3words: Navigation & Maps screenshot 2
what3words: Navigation & Maps screenshot 3
what3words: Navigation & Maps screenshot 4
what3words: Navigation & Maps screenshot 5
what3words: Navigation & Maps screenshot 6

This app assigns a unique three-word address to every 10-foot square on Earth. Easily find, share, and navigate to precise locations worldwide using simple word combinations. It's ideal for pinpointing exact meeting spots, deliveries, or even emergency services.

What We Love

  • πŸš€ Accurate location tracking
  • πŸ‘ Easy to use
  • πŸš‘ Potentially life-saving in emergencies
  • πŸ—ΊοΈ Precise location sharing

Room to Improve

  • πŸ› Inconsistent location accuracy
  • πŸ€” Confusing/not well-explained
  • πŸ“± Requires data/cellular connectivity

More Os2Maps apps to explore

4
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
by RouteBuddy Ltd.
Free

This GPS navigation app offers detailed offline topographic maps for various regions worldwide, including the US, UK, France, and Ireland. It caters to outdoor enthusiasts and professionals with features like national park and trail maps, with options for premium map purchases.

Offline topographic mapsUSGS National Park mapsThru-hiker trail maps
πŸ—ΊοΈ Navigation
(1)
free with in-app purchases
5
OsmAnd Maps Travel & Navigate
OsmAnd Maps Travel & Navigate
OsmAnd Maps Travel & Navigate
Top-rated mobile trip planner
Free

Navigate and plan trips offline with detailed world maps based on OpenStreetMap. Customize routes for various vehicles, record GPX tracks, and discover points of interest without an internet connection.

Offline world mapsGPS navigationRoute planning
✈️ Travel
(5.5K)
free with in-app purchases
6
CityMaps2Go Pro  Offline Maps
CityMaps2Go Pro  Offline Maps
CityMaps2Go Pro Offline Maps
for Travel, Cycling & Hiking
$11.99

This app provides detailed offline maps for travelers, cyclists, and hikers, featuring worldwide coverage, in-depth content, and trip planning tools. It ensures you have access to navigation and information even without an internet connection, saving on data roaming costs.

Offline mapsWorldwide coverageDetailed content with photos and tips
✈️ Travel
(1.6K)
free with in-app purchases
7
Topo Maps+: Topographic Maps
Topo Maps+: Topographic Maps
Topo Maps+: Topographic Maps
Offline Maps & GPS Navigation
Free

Plan and execute backcountry adventures with offline topographic maps and GPS navigation. Features include route building, waypoints, land boundaries, and on-trail tools. Integrates with Apple Watch and CarPlay for seamless outdoor exploration.

Offline topographic mapsSmart route buildingWaypoints and proximity alerts
πŸ—ΊοΈ Navigation
(9.2K)
freemium
8
Google Maps
Google Maps
Google Maps
Places, navigation & traffic
Free

Navigate your world with real-time traffic, turn-by-turn directions for driving, walking, cycling, and public transport. Discover millions of businesses and places with photos and reviews. Plan trips with Street View, Immersive View, and offline maps.

Real-time GPS navigationLive traffic dataPublic transport updates
πŸ—ΊοΈ Navigation
(7.3M)
free with in-app purchases
9
Yandex Maps & Navigator
Yandex Maps & Navigator
Yandex Maps & Navigator
Transport, Transit, Navigation
Free

Navigate your city with detailed maps, real-time traffic, and multi-modal routing. Find businesses, get directions by car, public transport, bike, or foot, and access offline maps for over 2000 cities.

Offline maps for over 2000 citiesReal-time traffic conditionsMulti-modal routing (car, transit, bike, walk)
πŸ—ΊοΈ Navigation
(35K)
free with in-app purchases
10
Avenza Maps: Offline Mapping
Avenza Maps: Offline Mapping
Avenza Maps: Offline Mapping
GPS, Trails, Hiking, Offroad
Free

Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.

Offline GPS navigationReal-time GPS position and directionRecord GPS tracks
πŸ—ΊοΈ Navigation
(127K)
free with in-app purchases
11
Hole19: Golf GPS Range Finder
Hole19: Golf GPS Range Finder
Hole19: Golf GPS Range Finder
Handicap Score & Shot Tracker
Free

This app provides golfers with accurate GPS distances, digital scorecards, and advanced performance tracking. It helps users strategize shots, monitor handicaps, and connect with a global golfing community. Premium features offer enhanced course mapping, club recommendations, and augmented reality views.

Accurate GPS distancesDigital scorecardPerformance tracking
⚽ Sports
(21K)
freemium
12
MAPS.ME: Offline Maps, GPS Nav
MAPS.ME: Offline Maps, GPS Nav
MAPS.ME: Offline Maps, GPS Nav
Navigation and hiking trails
Free

Navigate anywhere with detailed, offline maps and turn-by-turn directions for driving, walking, and cycling. Discover points of interest, hiking trails, and curated travel guides without needing an internet connection. Save locations, book hotels, and share your journey easily.

Offline mapsTurn-by-turn navigationDetailed points of interest
✈️ Travel
(77K)
free with in-app purchases
13
OutDoors GB - Offline OS Maps
OutDoors GB - Offline OS Maps
OutDoors GB - Offline OS Maps
GPS includes 15 National Parks
$1.99

Navigate the British countryside with confidence using detailed offline maps. Plan, record, and share routes, discover points of interest, and track your journey with powerful GPS features. Ideal for hikers, cyclists, and outdoor enthusiasts.

Offline Ordnance Survey mapsRoute planning and recordingGPS tracking with statistics
πŸ—ΊοΈ Navigation
(14)
free with in-app purchases
14
GPS Tracks
GPS Tracks
GPS Tracks
GPS Tracker and Offline Maps
Free

This app allows users to track outdoor activities like hiking, biking, and running. It enables navigation to waypoints, storage of favorite destinations, and offers advanced features for route planning and data export with a subscription.

Track hiking, biking, running, and walking routesNavigate to saved waypointsStore and manage favorite destinations
πŸ—ΊοΈ Navigation
(17K)
free with in-app purchases
15
CityMaps2Go – Offline Maps
CityMaps2Go – Offline Maps
CityMaps2Go – Offline Maps
for Travel, Cycling & Hiking
Free

This app provides detailed offline maps for travelers, cyclists, and hikers, covering over 150 countries and millions of places. Plan trips, save destinations, and navigate streets, footpaths, and bikeways without needing an internet connection.

Offline world mapsDetailed outdoor mapsIn-depth place information
✈️ Travel
(5.1K)
free with in-app purchases
16
Organic Maps・Offline Maps, GPS
Organic Maps・Offline Maps, GPS
Organic Maps・Offline Maps, GPS
Offline GPS & Hiking Trails
Free

Navigate and explore with detailed offline maps and GPS guidance. Plan, record, and import routes for travel, hikes, and rides without needing an internet connection. Enjoy privacy-first, battery-efficient navigation with extensive points of interest.

100% offline maps and navigationFast zooming and searchDetailed points of interest
πŸ—ΊοΈ Navigation
(2.3K)
free
17
HiiKER: The Hiking Maps App
HiiKER: The Hiking Maps App
HiiKER: The Hiking Maps App
Hiking trails & walks near you
Free

Plan, map, and navigate hiking trails with this powerful app. Discover over 130,000 routes, view high-quality topographic maps offline, and create detailed itineraries for multi-day adventures. Includes safety features like live location sharing.

130,000+ hiking trailsHigh-quality topographic mapsOffline map downloads
πŸ—ΊοΈ Navigation
(942)
free with in-app purchases
18
rednote
rednote
rednote
share, connect, love
Free

Connect with a global community to share your daily life, from hobbies and interests to personal experiences. Discover inspiration and build connections through authentic and helpful interactions.

Share daily life momentsConnect with global usersDiscover diverse content
🌐 Social Networking
(267K)
free with in-app purchases
19
Guru Maps Pro - Offline Nav
Guru Maps Pro - Offline Nav
Guru Maps Pro - Offline Nav
Advanced GPS & Route Planning
$89.99

Navigate and explore the world without an internet connection using detailed offline maps and turn-by-turn voice guidance. Plan multi-stop routes, record your adventures with GPS, and discover points of interest with fast offline search. Enjoy advanced features like 3D terrain and sync across devices.

Offline map downloadsTurn-by-turn voice navigationMulti-stop route planning
πŸ—ΊοΈ Navigation
(984)
freemium
20
MilGPS
MilGPS
MilGPS
Pro MGRS USNG GPS for Land Nav
$12.99

This field navigation tool displays your location and waypoints on customizable screens. It supports multiple coordinate systems and map datums, and allows for waypoint import/export. Offline map support is available.

MGRS/USNG/UTM/Lat/Lon displayWaypoint creation and organizationMap visualization with grid lines
πŸ—ΊοΈ Navigation
(5.5K)
paid

FAQ about Os2Maps

Are there free os2maps apps for iPhone?
Yes β€” 15 of the top os2maps apps we rank are free to download, including OS Maps: Walk, Hike, Run, Bike and what3words: Navigation & Maps.
OS2Maps has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 180+ os2maps apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
OS2Maps is a paid application that converts UK Ordnance Survey grid references into standard GPS latitude and longitude. It then allows you to open these converted locations directly in Apple Maps or Google Maps for easy navigation.
OS2Maps is a paid app with a price of $1.99. There are no in-app purchases or subscriptions required to use its full functionality.