Best Caltopo Map Apps

250+ iOS apps curated and reviewed

3.6 avg rating
18 free apps
Updated August 2026

The best caltopo map apps on iPhone average 3.6β˜… across 250+ titles β€” we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Caltopo Map Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalTopo: Backcountry MappingCalTopo: Backcountry MappingFree4.8β˜… (7.3K)NoNoAug 2026
2Topo Maps USTopo Maps USFree4.4β˜… (206)NoNoAug 2026
3NZ Topo MapNZ Topo MapFree3.0β˜… (1)YesYesMay 2026
4GSI Map++GSI Map++Freeβ€”YesYesAug 2026
5Mapply for Open Street MapMapply for Open Street MapFree4.1β˜… (51)YesNoAug 2026
6Stanford Map +Stanford Map +Freeβ€”NoNoMay 2026
7Map DiscoveryMap DiscoveryFreeβ€”NoNoMay 2026
8Topo GPS - Topographic mapsTopo GPS - Topographic mapsFree4.5β˜… (462)NoYesAug 2026

Top Picks for Caltopo Map

CalTopo: Backcountry Mapping#1

CalTopo: Backcountry Mapping by CalTopo LLC

Route Planning & Navigation
Editor's Choice
πŸ—ΊοΈ Navigation
4.8😊(7.3K ratings)
Free
CalTopo: Backcountry Mapping screenshot 1
CalTopo: Backcountry Mapping screenshot 2
CalTopo: Backcountry Mapping screenshot 3
CalTopo: Backcountry Mapping screenshot 4
CalTopo: Backcountry Mapping screenshot 5
CalTopo: Backcountry Mapping screenshot 6

Plan and navigate off-grid adventures with detailed offline maps and real-time weather forecasts. Trusted by professionals, this app offers seamless syncing and collaborative planning for backcountry pursuits.

What We Love

  • πŸš€ Powerful mapping features
  • πŸ’‘ Extensive data layers
  • πŸ‘ Detailed trail and terrain information
  • πŸ‘ Useful for SAR operations

Room to Improve

  • πŸ› Buggy and unstable mobile app
  • πŸ› Maps not always loading properly
  • πŸ› Slow map rendering
Topo Maps US#2

Topo Maps US by DC Cloud Apps, LLC

Strong Contender
πŸ—ΊοΈ Navigation
4.4😊(206 ratings)
Free
Topo Maps US screenshot 1
Topo Maps US screenshot 2
Topo Maps US screenshot 3

Access and download detailed topographic maps of the United States for offline use. Track your location, mark waypoints, and record your routes for outdoor activities. Navigate with direction arrows and measure distances on the map.

What We Love

  • πŸ‘ Intuitive and simple user interface
  • πŸ“± Works completely offline with downloaded maps
  • πŸ’° Free app with no subscriptions or ads
  • πŸ—ΊοΈ High-quality USGS topographic maps

Room to Improve

  • πŸ› White/gray blocks appearing on offline maps
  • πŸ”‹ High battery drain during route recording
  • ❌ Limited color options for flags (only red)
NZ Topo Map#3

NZ Topo Map by Max Stubbersfield

Worth Considering
πŸ—ΊοΈ Navigation
3.0(1 ratings)
FreeAdsIn-App Purchases
NZ Topo Map screenshot 1
NZ Topo Map screenshot 2
NZ Topo Map screenshot 3
NZ Topo Map screenshot 4
NZ Topo Map screenshot 5

This app provides detailed topographic maps and satellite imagery for New Zealand. It allows users to cache map tiles for offline use, add unlimited markers, and import/export GPX waypoints. Designed for outdoor enthusiasts, it offers battery-conscious navigation with Google Maps-like interactions.

More Caltopo Map apps to explore

4
GSI Map++
GSI Map++
GSI Map++
Japan maps
Free

This app displays maps from the Geospatial Information Authority of Japan, offering various map types and measurement tools. It allows integration with Apple Maps or Google Maps for directions and provides location details with memo and photo options.

Display GSI mapsIntegrate with Apple/Google MapsSwitch to OpenStreetMap
πŸ—ΊοΈ Navigation
(0)
free with in-app purchases
5
Mapply for Open Street Map
Mapply for Open Street Map
Mapply for Open Street Map
Street, Topo, Railway & Sea
Free

Explore detailed maps of the world, including transport networks, hiking trails, and topography. This app leverages OpenStreetMap and other specialized map layers for comprehensive navigation and outdoor adventure planning. Enjoy offline caching for uninterrupted exploration.

OpenStreetMap integrationSpecialized map layers (cycling, transport, sea, trails)Topographical data
πŸ—ΊοΈ Navigation
(51)
ad-supported
6
Stanford Map +
Stanford Map +
Stanford Map +
Places+Event Info for Stanford
Free
πŸ—ΊοΈ Navigation
(0)
7
Map Discovery
Map Discovery
Map Discovery
Mapping and Data Visualization
Free
πŸ”§ Utilities
(0)
8
Topo GPS - Topographic maps
Topo GPS - Topographic maps
Topo GPS - Topographic maps
Plan and follow gpx routes
Free

Transform your device into a powerful GPS with detailed topographic maps for offline use. Plan, record, and follow routes for various outdoor activities. Access detailed maps and route management features without needing an expensive dedicated device.

Detailed topographic mapsOffline map accessRoute recording and planning
πŸ—ΊοΈ Navigation
(462)
free with in-app purchases
9
MustangMaps
MustangMaps
MustangMaps
by Taylor Labs, LLC
Free

Navigate campus with ease using this interactive map. Find buildings, classrooms, and essential amenities like restrooms and printers. Designed for students, it simplifies campus exploration and enhances convenience.

Interactive campus mapBuilding and classroom locatorAmenity finder (restrooms, printers)
πŸ—ΊοΈ Navigation
(1)
free
10
Topo Maps
Topo Maps
Topo Maps
USGS and Canadian topo maps
$19.99

Access detailed topographical maps for hiking and backcountry activities. Download maps for offline use and navigate with features like waypoints, current location tracking, and compass alignment. Search for millions of geographical features.

Offline topographical map accessUSGS and Canadian map downloadsWaypoint marking and GPX import/export
πŸ—ΊοΈ Navigation
(128)
free
11
Scenic Map Grand Canyon
Scenic Map Grand Canyon
Scenic Map Grand Canyon
Offline 3D topo maps
Free

Explore detailed 3D topographic maps of the Grand Canyon and Arizona offline. Features include satellite overlays, customizable map styles, and GPS tracking with route replay. Expand coverage globally with an in-app purchase.

Offline 3D topographic mapsSatellite image overlaysGPS tracking and route replay
πŸ—ΊοΈ Navigation
(2)
free
12
California Offline Map and Travel Trip Guide
California Offline Map and Travel Trip Guide
California Offline Map and Travel Trip Guide
by OFFLINE MAP TRIP GUIDE LTD
Free

Navigate California with detailed offline maps, saving on roaming costs. Discover points of interest, get turn-by-turn directions, and plan your trips without an internet connection. Find hotels and explore attractions easily.

100% offline mapsDetailed vector mapsPowerful search engine
✈️ Travel
(1)
free with in-app purchases
13
Cartographer - Map Tools
Cartographer - Map Tools
Cartographer - Map Tools
Measure β€’ Compare β€’ Explore
Free
πŸ”§ Utilities
(0)
14
Vectorial Map Lite
Vectorial Map Lite
Vectorial Map Lite
by Harald Meyer
Free

View offline vector maps and record GPS tracks in the background. Supports custom map styles, track editing, route planning, and online map sources. Import and export track data easily.

Offline vector map viewingGPS track recordingCustom map styles
πŸ—ΊοΈ Navigation
(1)
free with in-app purchases
15
Snowdonia Outdoor Map
Snowdonia Outdoor Map
Snowdonia Outdoor Map
Offline outdoor map
Free

Navigate Snowdonia National Park with an offline map. Access detailed trails, hills, and landmarks without a mobile signal. Pinpoint your location using GPS and view OS grid references.

Offline mapsFootpath and track displayContour lines
πŸ—ΊοΈ Navigation
(0)
free
16
Lomond and South Scotland Map
Lomond and South Scotland Map
Lomond and South Scotland Map
National Park Topo Map
Free
πŸ—ΊοΈ Navigation
(0)
17
Map of Finland
Map of Finland
Map of Finland
Terrain map with GPS
$3.99
πŸ—ΊοΈ Navigation
(0)
18
MX Map Mobile
MX Map Mobile
MX Map Mobile
by Mapyx Ltd
Free

This navigation app works with desktop GIS software to provide a comprehensive mapping system. It currently supports Ordnance Survey maps of Great Britain and Ireland, with more regions and features planned. Users can acquire additional maps through in-app purchases.

Integrates with Mapyx Quo and MX Map GISSupports Ordnance Survey GB and Ireland mapsIn-app map purchases
πŸ—ΊοΈ Navigation
(0)
free with in-app purchases
19
UoL Campus Map
UoL Campus Map
UoL Campus Map
University of Liverpool
Free
πŸ—ΊοΈ Navigation
(0)
20
Alghero Offline Map and Travel Trip Guide
Alghero Offline Map and Travel Trip Guide
Alghero Offline Map and Travel Trip Guide
by OFFLINE MAP TRIP GUIDE LTD
Free
✈️ Travel
(0)

FAQ about Caltopo Map

What are the best caltopo map apps for iPhone?
CalTopo: Backcountry Mapping tops our caltopo map apps ranking as of August 2026, with a 4.8-star average from 7.3K App Store ratings, and it's free to download.
Yes β€” 18 of the top caltopo map apps we rank are free to download, including CalTopo: Backcountry Mapping and Topo Maps US.
CalTopo: Backcountry Mapping has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ caltopo map apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The CalTopo app is a comprehensive tool for planning and navigating backcountry adventures. It allows users to download detailed maps and layers for offline use, view real-time location via GPS, and access weather forecasts. It's designed for off-grid pursuits and is trusted by professionals in outdoor fields.
Key features include offline map downloads with satellite data, route planning and navigation, GPS tracking even when offline, and access to various map layers such as slope angle shading, public lands, and weather forecasts. It also supports collaborative map sharing and live tracking for group outings.