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Best Caltopo Map Apps

245+ iOS apps curated and reviewed

3.8 avg rating
17 free apps
Updated October 2026

The best caltopo map apps on iPhone average 3.8★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Caltopo Map Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalTopo: Backcountry MappingCalTopo: Backcountry MappingFree4.8★ (7.5K)NoNoOct 2026
2Topo Maps USTopo Maps USFree4.4★ (211)NoNoOct 2026
3NZ Topo MapNZ Topo MapFree3.0★ (1)YesYesMay 2026
4Northumberland MapNorthumberland MapFree4.0★ (1)NoNoSep 2026
5Snowdonia Outdoor MapSnowdonia Outdoor MapFree—NoNoAug 2026
6Map DiscoveryMap DiscoveryFree—NoNoMay 2026
7Mapply for Open Street MapMapply for Open Street MapFree4.1★ (51)YesNoOct 2026
8Vectorial Map LiteVectorial Map LiteFree1.0★ (1)NoYesAug 2026

Top Picks for Caltopo Map

CalTopo: Backcountry Mapping#1

CalTopo: Backcountry Mapping by CalTopo LLC

Route Planning & Navigation
Editor's Choice
🗺️ Navigation
4.8😊(7.5K 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

  • 🚀 Powerful mapping features
  • 💡 Extensive data layers
  • 👍 Detailed trail and terrain information
  • 👍 Useful for SAR operations
  • 👍 Great for planning outdoor adventures

Room to Improve

  • 🐛 Buggy and unstable mobile app
  • 🐛 Maps not always loading properly
  • 🐛 Slow map rendering
  • 🔋 High battery consumption
  • 👎 Difficult to use for casual users
Topo Maps US#2

Topo Maps US by DC Cloud Apps, LLC

Strong Contender
🗺️ Navigation
4.4😊(211 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

  • 👍 Intuitive and simple user interface
  • 📱 Works completely offline with downloaded maps
  • 💰 Free app with no subscriptions or ads
  • 🗺️ High-quality USGS topographic maps
  • 📍 Accurate GPS location tracking
  • 🚩 Easy waypoint/flag marking system
  • 📏 Convenient distance measurement tool
  • 🔒 Privacy-focused, no data collection
  • ⚡ Reliable and stable performance
  • 🎯 Focused feature set without bloat
  • 🛰️ Works in airplane mode
  • 📥 Simple map download and management
  • 🧭 Compass heading to waypoints
  • 🏔️ Excellent for backcountry navigation

Room to Improve

  • 🐛 White/gray blocks appearing on offline maps
  • 🔋 High battery drain during route recording
  • ❌ Limited color options for flags (only red)
  • ⚠️ Route recording stops unexpectedly
  • 🔍 No search functionality for trails/landmarks
  • 📱 Missing Apple Watch support
  • 🗺️ Zoom limitations for detailed local areas
  • ⏸️ Cannot pause tracking mid-hike
  • 💾 Difficult map transfer between devices
  • 🔄 Repetitive map download prompts
  • 🧭 No built-in compass/map orientation feature
  • 📤 No iCloud backup for GPS tracks
NZ Topo Map#3

NZ Topo Map by Max Stubbersfield

Worth Considering
🗺️ 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

FAQ about Caltopo Map

What are the best caltopo map apps for iPhone?
CalTopo: Backcountry Mapping tops our caltopo map apps ranking as of October 2026, with a 4.8-star average from 7.5K App Store ratings, and it's free to download.
Yes — 17 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 October 2026.
We track 245+ caltopo map apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.