Best Rocks Geology Apps

244+ iOS apps curated and reviewed

4.3 avg rating

20 free apps

Updated October 2026

Looking for free rocks geology apps? 20 of our 244+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Rocks Geology Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Craters Rocks! Geology of Craters of the Moon	Free	1.0★ (1)	No	No	May 2026
2	Rock of the day	Free	5.0★ (2)	No	No	Oct 2026
3	Geology Quiz: Rocks & Minerals	Free	—	No	Yes	Oct 2026
4	Geology for Kids: Planet Earth	Free	4.4★ (95)	No	Yes	Oct 2026
5	Rockr: Identify Rocks & Stones	Free	4.3★ (27)	No	Yes	Oct 2026
6	Geology — dictionary	Free	5.0★ (1)	No	Yes	May 2026
7	Rockd	Free	4.4★ (187)	No	No	Oct 2026
8	Geology Toolkit: Field Guide	Free	4.6★ (28)	No	Yes	Oct 2026

Top Picks for Rocks Geology

#1

Craters Rocks! Geology of Craters of the Moon by AppJester

Editor's Choice

1.0(1 ratings)

Free

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Discover the volcanic geology of Craters of the Moon National Monument with this official guided tour app. Explore trails with maps, photos, and descriptions of key geological features in this unique lava landscape.

#2

Rock of the day by warren breedlove

Rate rocks! No, seriously.

Strong Contender

🌐 Social Networking

5.0(2 ratings)

Free

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Share and discover interesting rocks from around the globe. Post photos of your finds, see what others think, and explore a daily feed of unique geological specimens. Earn badges and connect with fellow rock enthusiasts.

#3

Geology Quiz: Rocks & Minerals by Kiranpal Singh

Earth Science Photo Trivia

Worth Considering

0.0(0 ratings)

FreeIn-App Purchases

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More Rocks Geology apps to explore

Geology for Kids: Planet Earth

Geology for Kids: Planet Earth

Geology for Kids: Planet Earth

Volcanos, Earthquakes & Rocks

Explore Earth's geology through interactive lessons and trivia. Learn about volcanoes, earthquakes, and tectonic plates with a friendly science teacher. Play offline and test your knowledge in a safe, ad-free environment.

Interactive lessonsScience triviaLearn by reading, listening, and touching

free with in-app purchases

Rockr: Identify Rocks & Stones

Rockr: Identify Rocks & Stones

Rockr: Identify Rocks & Stones

Identify Stones Crystals Rocks

Instantly identify rocks, stones, and minerals with AI. Snap a photo to learn about their type, formation, and characteristics. Access your discoveries offline, making it a handy tool for geology enthusiasts and students.

Instant AI identification via photoDetailed rock informationOffline access to identified rocks

Geology — dictionary

Geology — dictionary

Geology — dictionary

The science of geology

This app serves as a comprehensive personal guide for learning geology, offering a dictionary of terms with flashcards and visual explanations. It also includes video lectures and a detailed textbook covering major geological topics.

Dictionary with key terms and definitionsFlashcards for memorizationVisual explanations of concepts

free with in-app purchases

by University of Wisconsin-Madison Shared Apps

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.

Interactive global geologic maps3D virtual globe explorationField observation logging

Geology Toolkit: Field Guide

Geology Toolkit: Field Guide

Geology Toolkit: Field Guide

Rock, mineral & crystal ID

Identify rocks, minerals, and crystals using your camera. Get detailed formation histories, geological data, and create labeled sketches. Build a personal field guide of your finds.

Identify rocks, minerals, crystals, gems, and pebbles from photosDetailed formation histories and geological dataGenerate labeled pencil field sketches

free with in-app purchases

Backseat Geologist

Backseat Geologist

Backseat Geologist

Your Personal Geology Guide

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.

Audio descriptions of geologyInteractive geologic mapCustom route creation

🗺️ Navigation

free with in-app purchases

StoneID Rock Identifier

StoneID Rock Identifier

StoneID Rock Identifier

Identify Rocks, Stones & Gems

Identify rocks, stones, and gems using their scientific properties. Explore detailed descriptions, high-quality images, and advanced filters. Perfect for students, collectors, and outdoor enthusiasts interested in geology.

Identify rocks by scientific propertiesFilter and compare rocks by geological criteriaIn-depth descriptions and high-quality images

free with in-app purchases

Stone Identifier - Rock Finder

Stone Identifier - Rock Finder

Stone Identifier - Rock Finder

Diamonds, crystals & gemstones

Identify rocks, minerals, and crystals from photos with high accuracy. Explore their properties, discover nearby deposits on a map, and build your own digital collection. Learn fascinating facts about stones from around the world.

Accurate rock identification from photosStudy physical and chemical propertiesDiscover nearby rock deposits on a map

free with in-app purchases

Rock Identifier & Scanner AI

Rock Identifier & Scanner AI

Rock Identifier & Scanner AI

Scan & Identify Rocks

Instantly identify rocks, minerals, and stones by simply taking a photo. Explore a vast database of geological information and earn achievements as you learn.

AI-powered rock identificationExtensive mineral databaseLearning and achievements

Rock Identifier: GeoLens

Rock Identifier: GeoLens

Rock Identifier: GeoLens

Gem, Stone, Crystal, Mineral

Instantly identify rocks and minerals using your phone's camera. Get detailed information, ask an AI expert questions, and build a personal collection of your finds. Perfect for geology enthusiasts of all levels.

Instant camera scanning for rock identificationDetailed profiles with hardness and value estimatesAI chat expert for geology questions

free with in-app purchases

Earth Geology Rocks Mineral id

This app serves as a comprehensive field and study companion for geology enthusiasts, students, and professionals. It offers integrated geological tools for measurement, reference, and identification, supporting both academic exploration and real-world fieldwork.

Strike and Dip CompassTrend and Plunge CompassGeological Time Scale

A Geology Field Map

Explore Earth's geologic wonders with this comprehensive field guide. Identify rocks and minerals using AI or manual methods, access professional geologic maps, and discover over 32,000 rockhounding sites. Document your expeditions with GPS-tagged notes and photos, and connect with a global community of geology enthusiasts.

Professional geologic mapsReal-time data updatesAI rock and mineral identification

free with in-app purchases

Rock Identifier:AI Stone & Gem

Rock Identifier:AI Stone & Gem

Rock Identifier:AI Stone & Gem

Identify rocks & gemstones

Rocks, Minerals, Volcanoes etc

Master geology with engaging quizzes covering rocks, minerals, plate tectonics, volcanoes, and more. Ideal for students and enthusiasts looking to deepen their understanding of Earth science.

Extensive geology topics coveredEngaging quiz formatBoosts knowledge and confidence

free with in-app purchases

Rock ID: Rock & Gem Identifier

Rock ID: Rock & Gem Identifier

Rock ID: Rock & Gem Identifier

Identify rocks, minerals, gems

Instantly identify rocks, minerals, and gems using your phone's camera. If you can't take a photo, the app guides you through manual identification with simple tests. It also helps distinguish between similar-looking specimens and allows you to save your findings.

Identify rocks from photosManual identification guideDistinguish lookalikes

free with in-app purchases

AI Rock ID: Crystal Identifier

AI Rock ID: Crystal Identifier

AI Rock ID: Crystal Identifier

Stone, Mineral & Gemstones

Instantly identify crystals, rocks, and gemstones using advanced AI. Simply take a photo to discover names, properties, and origins. Perfect for collectors and curious individuals looking to learn about minerals.

AI-powered identificationInstant rock and gemstone resultsDetailed crystal properties

free with in-app purchases

STONE IDENTIFIER gem & rock id

STONE IDENTIFIER gem & rock id

STONE IDENTIFIER gem & rock id

Crystals, diamonds & gemstones

Instantly identify rocks, minerals, and crystals with AI. Access a comprehensive database, find nearby mineral locations, and learn through educational content. Gamified features and sharing options enhance the discovery experience.

Instant AI rock and mineral recognitionComprehensive mineral databaseNearby mineral location finder

free with in-app purchases

FAQ about Rocks Geology

What are the best rocks geology apps for iPhone?

Craters Rocks! Geology of Craters of the Moon tops our rocks geology apps ranking as of October 2026, with a 1.0-star average from 1 App Store ratings, and it's free to download.

Are there free rocks geology apps for iPhone?

Yes — 20 of the top rocks geology apps we rank are free to download, including Craters Rocks! Geology of Craters of the Moon and Rock of the day.

Does Craters Rocks! Geology of Craters of the Moon have ads or in-app purchases?

Craters Rocks! Geology of Craters of the Moon has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many rocks geology apps are on the App Store?

We track 244+ rocks geology apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.