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Best Geologic Map Apps

192+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

Rockd is the household name in geologic map, but it's far from the only option. We track 192+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Geologic Map Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RockdRockdFree4.4★ (183)NoNoJul 2026
2Backseat GeologistBackseat GeologistFree4.7★ (58)NoYesJul 2026
3Mine Locator MapMine Locator MapFree4.6★ (329)YesYesJul 2026
4DeepTime for GeologyDeepTime for GeologyFree5.0★ (7)NoNoJul 2026
5Avenza Maps: Offline MappingAvenza Maps: Offline MappingFree4.8★ (127K)NoYesJul 2026
6GeoLOG - geological mappingGeoLOG - geological mappingFree—NoNoMay 2026
7MancosMancos$2.995.0★ (13)NoNoJul 2026
8Topographic Maps & TrailsTopographic Maps & Trails$4.994.6★ (2.8K)NoNoJul 2026

Top Picks for Geologic Map

Rockd#1

Rockd by University of Wisconsin-Madison Shared Apps

Editor's Choice
📚 Education
4.4😊(183 ratings)
Free
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Discover and document the geology around you. Access global geologic maps, 3D globes, and detailed summaries of your surroundings. Contribute your own observations and track your exploration of Earth's geologic history.

What We Love

  • 🗺️ Comprehensive geological maps with detailed information
  • 💡 Innovative integration of peer-reviewed references and literature
  • 🧭 Built-in Brunton compass and clinometer tools
  • 📱 User-friendly interface and intuitive navigation

Room to Improve

  • 🐛 Black map display issues in offline and online modes
  • 📍 GPS tracking and real-time position updates failing
  • 🔌 Offline functionality severely limited or broken
Backseat Geologist#2

Backseat Geologist by Blake Morgan

Your Personal Geology Guide
Strong Contender
🗺️ Navigation
4.7(58 ratings)
FreeIn-App Purchases
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This app provides audio explanations of the geology visible from your car. Explore geological features, create custom routes, and learn about earth history on the go. Offline access and adjustable audience settings enhance the learning experience.

Mine Locator Map#3

Mine Locator Map by Qvyshift LLC

Abandoned Mines & Prospects
Worth Considering
🔍 Reference
4.6(329 ratings)
FreeAdsIn-App Purchases
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Discover historical and active mines, prospects, and mineral deposits across the United States. This app provides a map-based interface to locate various mining-related sites without requiring registration or subscriptions.

More Geologic Map apps to explore

4
DeepTime for Geology
DeepTime for Geology
DeepTime for Geology
by Hunt Mountain Software
Free

Explore an interactive geological time scale with detailed information on each unit, including GSSP definitions and color codes. Search for terms and view GSSPs on a global map. Ideal for geologists, students, and Earth history enthusiasts.

Interactive geological time scaleDetailed GSSP definitionsCMYK and RGB color codes
📚 Education
(7)
free
5
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
🗺️ Navigation
(127K)
free with in-app purchases
6
GeoLOG - geological mapping
GeoLOG - geological mapping
GeoLOG - geological mapping
Geological mapping of Poland
Free
📚 Education
(0)
7
Mancos
Mancos
Mancos
by Hunt Mountain Software
$2.99

Explore the geology of the United States and other regions with this app. Access state geological maps, formation data, and stratigraphic columns. Discover local fossil collections directly from your device.

Interactive geological mapsSearchable by name or GPSState-level geological data
📚 Education
(13)
paid
8
Topographic Maps & Trails
Topographic Maps & Trails
Topographic Maps & Trails
USGS Topo Map & Hiking Trails
$4.99

Access detailed USGS topographic maps and satellite imagery for offline use. Track your hikes with distance, elevation, and calorie data. View various data themes like trails, hydrography, and land cover.

Offline USGS topographic mapsSatellite and topo map layersHiking activity tracker
🗺️ Navigation
(2.8K)
free
9
Digger's Map: Find Minerals
Digger's Map: Find Minerals
Digger's Map: Find Minerals
The best geology tool!
Free

Discover locations of gold, silver, gemstones, and other minerals with a vast global database. This tool provides detailed information and powerful search capabilities for enthusiasts and prospectors.

Global mineral database300,000+ locations60+ minerals listed
🗺️ Navigation
(460)
free with in-app purchases
10
CalTopo: Backcountry Mapping
CalTopo: Backcountry Mapping
CalTopo: Backcountry Mapping
Route Planning & Navigation
Free

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.

Offline map downloadsSatellite imageryRoute planning
🗺️ Navigation
(7.1K)
free
11
Google Earth
Google Earth
Google Earth
Examine the planet
Free

Explore the world with high-resolution satellite imagery and 3D terrain. Dive into streets with Street View and create collaborative, data-driven maps from anywhere.

High-resolution satellite imagery3D terrain and building explorationStreet View 360° perspectives
✈️ Travel
(13K)
free
12
iMineralogist: Rock Map
iMineralogist: Rock Map
iMineralogist: Rock Map
Geology & mineral field map
Free
📚 Education
(0)
13
Stereonet Mobile
Stereonet Mobile
Stereonet Mobile
by Richard Allmendinger
Free

This app assists geologists in collecting, visualizing, and analyzing geological orientation data. It offers automatic data entry using device sensors and augmented reality, manual input options, and various plotting and calculation tools for geological features.

Automatic data entry via device orientationAugmented reality for strike and dip measurementManual data entry via stereonet or text fields
📚 Education
(13)
free
14
Australian Geology Travel Maps
Australian Geology Travel Maps
Australian Geology Travel Maps
Offline geology terrain maps
Free

Access detailed offline geology and terrain maps for field use. Mark locations, record trails, and overlay various data layers. Ideal for geologists, prospectors, and outdoor enthusiasts exploring Australia and New Zealand.

Offline geology and terrain mapsGPS location trackingRecord trails and mark locations
✈️ Travel
(1)
subscription
15
You Need A Map
You Need A Map
You Need A Map
Offline 3D topo maps
Free

This app provides detailed offline 3D topographic maps of the entire USA. It includes terrain, roads, water bodies, and landmarks, functioning even without a cell signal. It's ideal for navigation and emergency situations where connectivity is unreliable.

Offline 3D topographic mapsCovers all 50 US statesWorks without cell signal
🗺️ Navigation
(52)
paid
16
Bible Map
Bible Map
Bible Map
Engage the World of the Bible
Free

Explore the biblical world with an interactive and comprehensive map application. Visualize the lands and discover artifacts that bring biblical stories to life.

Interactive biblical mapsVisualize biblical landsDiscover supporting artifacts
📚 Education
(221)
free
17
MineAR: Augmented Reality Map
MineAR: Augmented Reality Map
MineAR: Augmented Reality Map
Upload & view your data in 3D
Free

Visualize your subsurface GIS data in 3D augmented reality directly in the field. Overlay your data with terrain and geography to identify obstructions, compare topography, and discover new exploration targets. Works offline and includes a NearMe service for points of interest.

Augmented reality data visualizationOverlay subsurface data with terrainIdentify drilling obstructions
🗺️ Navigation
(5)
freemium
18
Satellite Map - Live Earth
Satellite Map - Live Earth
Satellite Map - Live Earth
by 慧敏 赵
Free

Explore the world with high-definition satellite imagery, 3D building models, and real-time contour maps. Discover global street information and enjoy breathtaking scenery from anywhere.

HD satellite maps3D building modelsReal-time contour maps
🗺️ Navigation
(325)
ad-supported
19
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
🗺️ Navigation
(2)
free
20
Flyover Country
Flyover Country
Flyover Country
offline flight tracking
Free

Discover the world below and clouds above with offline maps and points of interest during your flight, hike, or road trip. This app uses GPS to reveal geologic maps, fossil locations, and Wikipedia articles without needing an internet connection.

Offline GPS trackingInteractive geologic mapsPoints of interest (fossils, Wikipedia)
✈️ Travel
(299)
free

FAQ about Geologic Map

What are the best geologic map apps for iPhone?
Rockd tops our geologic map apps ranking as of July 2026, with a 4.4-star average from 183 App Store ratings, and it's free to download.
Yes — 18 of the top geologic map apps we rank are free to download, including Rockd and Backseat Geologist.
Rockd has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 192+ geologic map apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Rockd allows users to explore and learn about the geologic record of their surroundings. It provides access to global geologic maps, 3D virtual globes, and summaries of local geology. Users can also contribute their own field observations and track their exploration.
Key features include instant access to geologic summaries, interactive global geologic maps with offline caching, a 3D virtual globe, paleogeographic map exploration, stratigraphic column viewing, and the ability to log field observations with strike/dip and trend/plunge data.