222+ iOS apps curated and reviewed
The best geology apps on iPhone average 4.6★ across 222+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (58) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.4★ (183) | No | No | Jul 2026 |
| 3 |  | Free | 4.5★ (22) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (35) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (75K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 5.0★ (7) | No | No | Jul 2026 |
| 7 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 8 |  | Free | — | No | Yes | Jul 2026 |
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.
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.
Identify rocks with AI and gain a deep understanding of their composition and formation. This app is designed for students and enthusiasts to learn geology beyond simple identification, offering clear explanations and visual tools for study and fieldwork.
Test your knowledge of Earth sciences with this interactive trivia app. It offers structured learning, engaging quizzes, and both solo and multiplayer game modes to make learning geology fun and effective for all levels.
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.
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.
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.
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.
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.
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.
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.
This mobile application helps geologists record field observations, capture data like photos and sketches, and create geologic maps. It supports various geological subdisciplines and allows for offline use with data syncing capabilities.
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.
Access a vast offline dictionary of geological terms with definitions, synonyms, and audio pronunciations. Learn about Earth sciences, save favorite words, and test your knowledge with quizzes. Share terms easily with friends.
Explore a comprehensive A-Z guide to over 500 crystals and minerals, offering geological and metaphysical details. Catalog your personal collection with photos, notes, and interactive 3D models. Discover new crystals through quizzes, games, and advanced search filters.
Discover detailed soil property and landscape maps for U.S. states and global soil distributions. Understand how map features relate to real-world observations. This educational tool uses data from USDA and USGS to illustrate complex soil-landscape relationships.
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.
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.