Best Jeolog Apps

200+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

Looking for free jeolog apps? 19 of our 200+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Jeolog

Backseat Geologist#1

Backseat Geologist by Blake Morgan

Your Personal Geology Guide
Editor's Choice
🗺️ Navigation
4.8(41 ratings)
FreeIn-App Purchases
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Get a personal geology guide on the go with this app that provides audio descriptions of the rocks and geologic formations near your location, allowing you to explore the earth's history as you travel. Create routes, save offline, and adjust descriptions for any audience, with premium features available for improved audio quality and custom route creation.

Rockd#2

Rockd by University of Wisconsin-Madison Shared Apps

Strong Contender
📚 Education
4.4😊(175 ratings)
Free
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Explore and document your geologic surroundings with an interactive app that provides geologic and geographic information, maps, a 3D virtual globe, and the ability to log your observations and journey through the geologic record. Developed by the Macrostrat lab at the University of Wisconsin - Madison, backed by the National Science Foundation and the Department of Geoscience. For support, contact contact@rockd.org.

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
Rock Identifier: Stone ID#3

Rock Identifier: Stone ID by Next Vision Limited

Gem Mineral Crystal Identifier
Worth Considering
📚 Education
4.7😐(68K ratings)
FreeAdsIn-App Purchases
#32in Education
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"Discover stones, gems, and crystals with ease using our all-in-one identifier app. Simply snap a photo or upload an image to learn more about your finds instantly. Start exploring today!"

What We Love

  • 🤩 Accurate rock identification
  • 🤓 Extensive information on rocks
  • 🧠 Helpful for learning about rocks
  • 🪨 Great for rock collectors

Room to Improve

  • 💰 Expensive subscription model
  • 🔢 Limited free scans per day
  • 🔍 Inconsistent accuracy, sometimes wrong

More Jeolog apps to explore

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

This interactive geological time scale application provides detailed information on time units, including their definitions and color codes, and allows users to search by name or age. It also features a global geological map and offers tips and examples for using time terms, making it a valuable resource for geologists, students, and anyone interested in Earth history.

📚 Education
(7)
5
Geology Toolkit: Field Guide
Geology Toolkit: Field Guide
Geology Toolkit: Field Guide
Identify rocks & study geology
Free
📚 Education
(18)
6
Geology Quiz
Geology Quiz
Geology Quiz
Geology and Geography Science
Free

Discover the fascinating world of Earth sciences with this interactive geology trivia app, designed to make learning engaging and effective. Test your knowledge, challenge yourself or others, and master geology topics with structured content, quizzes, and multiplayer features.

📚 Education
(35)
7
Mine Locator Map
Mine Locator Map
Mine Locator Map
Abandoned Mines & Prospects
Free

Discover a groundbreaking tool that locates abandoned mines in your area using advanced mapping technology. Stay informed and safe by accessing detailed information about potential hazards near you. Download now to explore the Mine Locator Map and protect yourself and others.

🔍 Reference
(323)
8
Stereonet Mobile
Stereonet Mobile
Stereonet Mobile
by Richard Allmendinger
Free

This application helps geologists collect, visualize, and analyze orientation data, offering features such as automatic data entry via device orientation, manual data entry, and various calculations. It allows users to plot and analyze data, view from different orientations, and even visualize data on a map or satellite image, making it a valuable tool for geological analysis and education.

📚 Education
(13)
9
EarthViewer
EarthViewer
EarthViewer
by Howard Hughes Medical Institute
Free

Explore Earth's deep history with a time machine-like application that lets you scroll through 4.5 billion years of evolution. Discover continental shifts, sea levels, global temperatures, and more, all based on scientific research. Join the journey with interactive features and educational resources for a deeper understanding of our dynamic planet.

📚 Education
(101)
10
StraboField
StraboField
StraboField
Formally StraboSpot2
Free

This mobile app streamlines geological fieldwork by allowing users to record observations, capture photos and sketches, and collect orientation data, all from a single, map-centered platform. With its robust features, users can efficiently collect and organize spatially referenced data, work offline, and sync their data to a digital system for seamless analysis and backup.

🔧 Utilities
(18)
11
Digger's Map: Find Minerals
Digger's Map: Find Minerals
Digger's Map: Find Minerals
The best geology tool!
Free

Explore the depths with Digger's Map! Uncover valuable minerals, track geological data, and make your discoveries with this top geology app! Start your mapping journey today.

🗺️ Navigation
(460)
12
Geomaster
Geomaster
Geomaster
Earth Geology Rocks Mineral id
Free
📚 Education
(2)
13
A Guide To Crystals - The CC
A Guide To Crystals - The CC
A Guide To Crystals - The CC
The Citrine Circle
Free

Discover a comprehensive A-Z guide to over 500 crystals and minerals with geological and metaphysical insights, quizzes, and games. Unlock advanced features like cataloguing your collection, exploring 3D models, and learning through Quick Reference Guides. Join us on The Citrine Circle for an immersive journey into the fascinating world of crystals!

🔍 Reference
(4.1K)
14
Geology — dictionary
Geology — dictionary
Geology — dictionary
The science of geology
Free
📚 Education
(1)
15
Geology Dictionary - Offline
Geology Dictionary - Offline
Geology Dictionary - Offline
Geological Terms with meaning
Free

This geology dictionary app provides instant access to over 50,000 scientific terms, complete with definitions, synonyms, audio pronunciations, and example sentences, helping users understand and communicate complex geology concepts. Download now and explore a vast library of geological terms offline, with features like speech-to-text, quizzes, and customizable favorites.

📚 Education
(5)
16
Mancos
Mancos
Mancos
by Hunt Mountain Software
$2.99

This application brings the geology of the United States and beyond to your mobile device, allowing you to locate yourself, view geological maps, and access information on geological formations and fossil collections. Explore the geology of your region by tapping the map, searching by name, or using GPS, and discover more about the earth's composition.

📚 Education
(13)
17
FieldMove Clino
FieldMove Clino
FieldMove Clino
by Petroleum Experts Limited
Free

This digital field mapping tool allows geologists to capture and analyze data on their mobile device, using GPS and orientation sensors to measure and record geological features. It enables users to collect and export data, create geological maps, and perform statistical analysis, making it an essential tool for forward-thinking geologists.

📊 Productivity
(19)
18
Earthquake+ Alerts & Tracker
Earthquake+ Alerts & Tracker
Earthquake+ Alerts & Tracker
Worldwide & Near You Today
Free

Receive real-time earthquake alerts and view a visual map displaying earthquake locations worldwide. Stay informed and prepared with this app.

☀️ Weather
(721)
19
Rutgers Geology Museum
Rutgers Geology Museum
Rutgers Geology Museum
by Rutgers, The State University of New Jersey
Free
📚 Education
(2)
20
LiveTopo
LiveTopo
LiveTopo
Maps for Geology Lovers
Free

This application provides access to topographic and geologic maps, allowing users to save favorite locations, track hikes, and view real-time metrics. With a subscription, users can download offline maps of US public lands and access detailed geologic maps, perfect for hikers, explorers, and nature lovers.

🗺️ Navigation
(10)

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