Best Caltopo Map Apps

170+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated May 2026

The best caltopo map apps on iPhone average 4.2★ across 170+ titles — we've ranked them by what real users actually keep on their phones. Updated May 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😊(6.8K 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 your next outdoor adventure with our backcountry mapping app, offering real-time decision-making tools, offline map downloads, GPS tracking, and shared map collaboration. Access a range of map layers including topography, weather forecasts, satellite imagery, and more. Start exploring today!

What We Love

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

Room to Improve

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

Topo Maps US by DC Cloud Apps, LLC

Strong Contender
🗺️ Navigation
4.4😊(196 ratings)
Free
Topo Maps US screenshot 1
Topo Maps US screenshot 2
Topo Maps US screenshot 3

Explore topographic maps for the United States, ideal for outdoor activities like hiking and camping. Download maps for offline use, track your location, add flags and trails, and record your own paths with elevation profiles. Start your adventure now!

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

Room to Improve

  • 🐛 White/gray blocks appearing on offline maps
  • 🔋 High battery drain during route recording
  • ❌ Limited color options for flags (only red)
AllTrails: Hike, Bike & Run#3

AllTrails: Hike, Bike & Run by AllTrails, Inc.

Chemins Randonnée Trail VTT GR
Worth Considering
💪 Health & Fitness
4.9😐(1M ratings)
FreeAdsIn-App Purchases
#4in Health & Fitness
AllTrails: Hike, Bike & Run screenshot 1
AllTrails: Hike, Bike & Run screenshot 2
AllTrails: Hike, Bike & Run screenshot 3
AllTrails: Hike, Bike & Run screenshot 4
AllTrails: Hike, Bike & Run screenshot 5
AllTrails: Hike, Bike & Run screenshot 6

Discover and track hiking and biking trails easily with this app. Find routes, reviews, and maps for outdoor adventures. Join a community of outdoor enthusiasts and start exploring today.

What We Love

  • 🚀 Excellent for finding and tracking trails
  • 📍 Accurate GPS and offline maps
  • 📸 Helpful user-submitted photos and reviews
  • 🗺️ Wide selection of trails

Room to Improve

  • 🔋 High battery consumption
  • 🐛 Frequent crashes and glitches
  • 🤔 Unintuitive user interface changes

More Caltopo Map apps to explore

4
Gaia GPS: Mobile Trail Maps
Gaia GPS: Mobile Trail Maps
Gaia GPS: Mobile Trail Maps
Hiking, Overlanding, Camping
Free

Discover and navigate hiking, overlanding, and camping trails with Gaia GPS. Use this app for offline maps, GPS navigation, and distance tracking in the wilderness. Start exploring today!

🗺️ Navigation
(357)
5
Topo GPS - Topographic maps
Topo GPS - Topographic maps
Topo GPS - Topographic maps
Plan and follow gpx routes
Free

Plan and follow GPX routes with detailed topographic maps on your iPhone, iPad, Apple Watch, or Macbook using this application. Ideal for outdoor activities like hiking, cycling, and geocaching, it offers map purchasing options, route planning and recording, waypoint sharing, and supports various file formats. Check it out for a comprehensive GPS experience without the need for an expensive dedicated device.

🗺️ Navigation
(435)
6
Topo Maps+: Topographic Maps
Topo Maps+: Topographic Maps
Topo Maps+: Topographic Maps
Offline Maps & GPS Navigation
Free

Explore detailed offline topographic maps for hiking, camping, and outdoor adventures with our user-friendly app. Download now to navigate remote areas with ease and discover hidden gems off the beaten path.

🗺️ Navigation
(367)
7
Mapply for Open Street Map
Mapply for Open Street Map
Mapply for Open Street Map
Street, Topo, Railway & Sea
Free

Explore the world in detail with this ultimate map viewer, featuring Open Street Map and tile-based layers for satellite views, hiking trails, topography, railway routes, seas, and more. Navigate roads, trails, and points of interest, and discover new outdoor adventures, transportation networks, and marine journeys with a range of specialized maps.

🗺️ Navigation
(44)
8
Avenza Maps: Offline Mapping
Avenza Maps: Offline Mapping
Avenza Maps: Offline Mapping
GPS, Trails, Hiking, Offroad
Free

Explore maps offline with Avenza Maps for GPS tracking, hiking, and off-road adventures. Never get lost with this handy offline mapping tool.

🗺️ Navigation
(125K)
9
BatchGeo
BatchGeo
BatchGeo
by BATCHGEO LLC
Free

This iOS application is a companion tool that allows users to interact with saved maps and data on their iPhone or iPad, providing a fast and fluid interface for on-the-go access. Use it to unlock the full potential of your maps and data on the go.

🗺️ Navigation
(97)
10
CarryMap
CarryMap
CarryMap
Offline maps & data collection
Free
🗺️ Navigation
(92)
11
Draw Maps: Map Notes
Draw Maps: Map Notes
Draw Maps: Map Notes
Make and Share Maps
Free

Create and share custom maps with a simple yet powerful digital sketchpad. Annotate locations, add photos, and explore the world as your canvas. Ideal for planning, documenting, and collaborating on a wide range of projects, from travel to wildlife spotting to infrastructure management. Download the app and start mapping your world today.

🗺️ Navigation
(34)
12
Topo Reader
Topo Reader
Topo Reader
USGS Topographical Maps
Free

This application allows users to download and access USGS topographic maps offline, with features such as GPS navigation, map rotation, and measurement tools, making it ideal for outdoor activities like hiking and camping. Users can also import geospatial PDF maps and purchase a subscription for unlimited map downloads and additional features.

🗺️ Navigation
(163)
13
Drawing On Map
Drawing On Map
Drawing On Map
Notes, Sketches, Annotations
Free
📊 Productivity
(12)
14
百度地图-路线规划,出行必备
百度地图-路线规划,出行必备
百度地图-路线规划,出行必备
精准智能导航和公交出行
Free

An innovative smart map application offering precise navigation, location search, and intelligent travel services with features like voice interaction and AR navigation. Enjoy efficient route planning for various modes of transportation, personalized recommendations, and real-time traffic updates. Discover more at [app's website].

🗺️ Navigation
(17K)
15
Topo Maps
Topo Maps
Topo Maps
USGS and Canadian topo maps
$19.99
🗺️ Navigation
(125)
16
Topo Nomad
Topo Nomad
Topo Nomad
USGS Topographical Maps
Free

Download high-resolution topographical maps for offline GPS use, perfect for road trips, camping, hiking, and exploration. This app offers a vast library of USGS maps, intuitive navigation, and features like GPS tracking, route planning, and measurement tools, with optional subscription for unlimited map downloads.

🗺️ Navigation
(140)
17
SkiMaps - Download Trail Maps
SkiMaps - Download Trail Maps
SkiMaps - Download Trail Maps
by Plane Tree Software
$2.99

Download trail maps from popular ski resorts to your iPhone or iPad and use the built-in GPS to navigate the slopes, even without an internet connection. Plan your trip and track your activities with features like webcams and weather forecasts, and get started with a vast collection of available ski area maps.

⚽ Sports
(7)
18
MapChart App
MapChart App
MapChart App
Create Custom Maps
Free

Create custom maps easily with this app! Design unique visual representations of data and information effortlessly. Try it now for free and turn your ideas into stunning maps!

🎨 Graphics & Design
(4.5K)
19
澳門地圖通 Macau GeoGuide
澳門地圖通 Macau GeoGuide
澳門地圖通 Macau GeoGuide
by Direccao dos Servicos de Solos e Construcao Urbana
Free

This mobile map application provides a full range of geographic information services for citizens and tourists, allowing users to obtain the latest information on locations such as healthcare, food, and transportation. With its point-to-point route planning function, users can easily find their way around and discover new places.

🗺️ Navigation
(3)
20
MapplerK3
MapplerK3
MapplerK3
by Wansoo Im
Free

This mobile application enables community participatory mapping, allowing users to collect and visualize data on an interactive map, and customize the display of their data. With this app, users can develop and manage their own mapping projects, upload real-time data, and share their interactive maps with others.

🌐 Social Networking
(8)