Best Hkgeology Apps

200+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.0β˜…, the hkgeology category is one of the App Store's strongest. Browse all 200+ apps we track, sorted so the most loved ones surface first.

Top Picks for Hkgeology

Rock Identifier: Stone ID#2

Rock Identifier: Stone ID by Next Vision Limited

Gem Mineral Crystal Identifier
Strong Contender
πŸ“š Education
4.7😐(75K ratings)
FreeAdsIn-App Purchases
#22in Education
Rock Identifier: Stone ID screenshot 1
Rock Identifier: Stone ID screenshot 2
Rock Identifier: Stone ID screenshot 3
Rock Identifier: Stone ID screenshot 4
Rock Identifier: Stone ID screenshot 5
Rock Identifier: Stone ID screenshot 6

Instantly identify rocks, minerals, and gemstones by taking a photo. Access a comprehensive encyclopedia with detailed information on each stone, learn to distinguish real from fake gems, and explore their properties. The app also includes a metal detector and expert consultation.

What We Love

  • 🀩 Accurate rock identification
  • πŸ€“ Extensive information on rocks
  • 🧠 Helpful for learning about rocks
  • πŸͺ¨ Great for rock collectors

Room to Improve

  • πŸ’° Expensive subscription model
  • πŸ”’ Limited free scans per day
  • πŸ” Inconsistent accuracy, sometimes wrong
Rockd#3

Rockd by University of Wisconsin-Madison Shared Apps

Worth Considering
πŸ“š Education
4.4😊(183 ratings)
Free
Rockd screenshot 1
Rockd screenshot 2
Rockd screenshot 3
Rockd screenshot 4
Rockd screenshot 5

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

  • πŸ—ΊοΈ Comprehensive geological maps with detailed information
  • πŸ’‘ Innovative integration of peer-reviewed references and literature
  • 🧭 Built-in Brunton compass and clinometer tools
  • πŸ“± User-friendly interface and intuitive navigation

Room to Improve

  • πŸ› Black map display issues in offline and online modes
  • πŸ“ GPS tracking and real-time position updates failing
  • πŸ”Œ Offline functionality severely limited or broken

More Hkgeology apps to explore

4
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 360Β° perspectives
✈️ Travel
(13K)
free
5
Stone Identifier - Rock Finder
Stone Identifier - Rock Finder
Stone Identifier - Rock Finder
Diamonds, crystals & gemstones
Free

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
πŸ“š Education
(1.5K)
free with in-app purchases
6
ArcGIS Field Maps
ArcGIS Field Maps
ArcGIS Field Maps
by ESRI
Free

This app provides mobile workers with interactive digital maps to understand their surroundings, locate assets, and collect data. It features smart forms for efficient data entry, offline capabilities, and location sharing for coordination and safety. Designed for organizational use, it supports fieldwork for various teams.

Interactive digital mapsSmart forms for data collectionOffline map capabilities
πŸ“Š Productivity
(27)
free
7
ArcGIS Survey123
ArcGIS Survey123
ArcGIS Survey123
by ESRI
Free

Capture precise, location-aware data in the field using smart forms, even offline. Seamlessly sync collected information with your ArcGIS platform for real-time analysis and decision-making. Ideal for public feedback, inspections, and documenting field conditions.

Smart forms for data collectionOffline data capture and syncingLocation-aware data with GPS
πŸ”§ Utilities
(202)
free
8
QField for QGIS
QField for QGIS
QField for QGIS
Efficient field work for QGIS
Free

This app streamlines GIS fieldwork, enabling efficient data collection and seamless exchange between field and office. It brings the full power of QGIS to mobile devices, supporting a wide range of spatial data formats for viewing and editing.

GIS fieldwork efficiencyData exchange with officeQGIS project integration
πŸ“Š Productivity
(31)
free
9
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
10
EarthViewer
EarthViewer
EarthViewer
by Howard Hughes Medical Institute
Free

Explore Earth's 4.5 billion-year history with this interactive time machine. See how continents, oceans, and climate have changed over eons, track landmarks and fossils, and visualize scientific data like temperature and biodiversity. Discover the dynamic evolution of our planet.

Continental reconstructions over billions of yearsSea level and temperature mapsTrack landmark and fossil movements
πŸ“š Education
(101)
free
11
SoilWeb
SoilWeb
SoilWeb
by University of California, Davis
Free

Access detailed soil survey information based on your current location. View soil profile sketches, estimated proportions, and geomorphic positions. Get aggregate data like water holding capacity and links to official soil descriptions.

Soil profile sketches and geomorphic positionMap unit aggregate data (e.g., water holding capacity)Soil survey area scale and publication date
πŸ“š Education
(14)
free
12
FieldMove Clino
FieldMove Clino
FieldMove Clino
by Petroleum Experts Limited
Free

This app transforms your iPhone into a digital compass-clinometer for geological data capture. It allows for efficient measurement of planar and linear features, georeferenced photo and note storage, and offline map support for fieldwork.

Digital compass-clinometerGPS location and orientation sensorsCapture georeferenced photos and notes
πŸ“Š Productivity
(19)
free
13
ArcGIS QuickCapture
ArcGIS QuickCapture
ArcGIS QuickCapture
The rapid GIS data capture app
Free

This app enables rapid collection of field observations, allowing users to record GIS points and attributes efficiently. It's designed for collecting data quickly from a moving vehicle or during surveys.

Rapid field observation collectionRecord GIS points and attributesData capture at-speed
πŸ”§ Utilities
(35)
free
14
Rock Identifier AI - StoneScan
Rock Identifier AI - StoneScan
Rock Identifier AI - StoneScan
Crystals, Gemstones & Diamonds
Free

Identify rocks and gemstones instantly by taking a photo. Explore detailed mineral data, build your own collection, and access educational articles written by geologists. Perfect for students, hikers, and jewelry enthusiasts.

AI-powered stone identificationDetailed mineral property dataDiamond and crystal encyclopedia
πŸ”§ Utilities
(37)
free with in-app purchases
15
CarryMap
CarryMap
CarryMap
Offline maps & data collection
Free

This app enables seamless field work with offline maps and spatial geodata collection. Create, edit, and analyze points, lines, and polygons, attach media, and record voice comments. Navigate using GPS, measure distances, and export data in various formats.

Offline map managementCreate and edit spatial featuresAttach media and voice notes
πŸ—ΊοΈ Navigation
(184)
free
16
Stone Identifier : Rock finder
Stone Identifier : Rock finder
Stone Identifier : Rock finder
Rock Identifier
Free

Identify rocks, crystals, and gemstones instantly by taking a photo. Explore geological surroundings, learn about over 6000 types of rocks, and build your personal rock collection. Offers professional knowledge and email support for inquiries.

Photo identification of rocksLearn about 6000+ rock typesCreate personal rock collections
πŸ“š Education
(191)
free with in-app purchases
17
BatchGeo
BatchGeo
BatchGeo
by BATCHGEO LLC
Free

This app allows users to interact with their saved maps and data on their iPhone or iPad. It serves as a companion to web-based map-making tools, offering a fast and fluid interface for accessing geographic information on the go.

Interact with saved mapsAccess map dataFast and fluid interface
πŸ—ΊοΈ Navigation
(98)
free
18
iGeoTrans X Lite
iGeoTrans X Lite
iGeoTrans X Lite
GPS & Field data collection
Free

This app transforms your smartphone into a GPS and GIS data collection device for fieldwork. It allows you to record routes, measure distances and areas, capture geotagged photos, and create geographic objects with custom forms. Data can be synchronized across devices and exported in various formats.

Record and display routes on mapMeasure distance and areaCapture geotagged photos
πŸ—ΊοΈ Navigation
(259)
free
19
Rock Finder: Stone Identifier
Rock Finder: Stone Identifier
Rock Finder: Stone Identifier
Gem Β· Mineral Β· Jewelry
Free

Instantly identify rocks, minerals, and gemstones using AI-powered scanning. Get detailed information on composition, origin, and authenticity. Organize your finds and explore geological insights.

AI-powered rock identificationGemstone authenticity checkerInteractive stone origin map
πŸ“š Education
(352)
free with in-app purchases
20
RockIn Rock & Mineral identify
RockIn Rock & Mineral identify
RockIn Rock & Mineral identify
organize collection, buy, sell
Free

Identify rocks and minerals instantly with a photo. Organize your personal collection, discover global specimens, and connect with a community marketplace to buy and sell. Perfect for collectors, geologists, and enthusiasts of all levels.

Instant rock and mineral identification via photoBuild and organize personal digital collectionBuy and sell specimens in a community marketplace
πŸ” Reference
(1.5K)
free with in-app purchases