194+ iOS apps curated and reviewed
The best geology dictionary apps on iPhone average 3.9★ across 194+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
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.
This application provides a comprehensive offline dictionary of geology terms, offering clear explanations and a range of features including search, bookmarking, and quizzes. With tens of thousands of terms and words, it's an essential tool for anyone studying or working in the field of geology, and is available for use without an internet connection.
This free offline dictionary provides access to thousands of geology-related words and terms, allowing users to learn and search for information without an internet connection. With its alphabetical listing and search tool, it's a perfect resource for trips or areas with limited data connectivity.
This application helps users understand and decode Geology terms, providing instant access to a vast encyclopedia of definitions. With features like search functionality, bookmarking, sharing, and audio pronunciation, users can easily learn and master Geology terminology, and it's available for free download and offline use.
Access one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.
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.
Improve your vocabulary effortlessly with an app designed to enhance word power. Customize difficulty levels, select categories, and reach linguistic goals all at your own pace. Start expanding your English language skills now!
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.
An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!
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.
This application is a comprehensive glossary of volcanic products and features, showcasing the unique geology of two of the world's most active volcanoes. Explore an array of fascinating geologic terms and features, from lava types to volcanic formations.
Learn geology with a child-friendly science teacher through interactive lessons, games, and quizzes. Explore Earth's core, plate tectonics, and more, with the option to try for free and unlock all content with a one-time payment.
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.
This application allows users to view and interact with geology maps and airborne geophysical images of NSW, Australia, even without mobile reception. It provides detailed information on rock types, ages, and landforms, making it a valuable tool for geologists, engineers, farmers, environmental consultants, students, and geology enthusiasts.