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 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.
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.
Access a vast offline database of geology terms and definitions. This app offers a search function, daily words, and quizzes to enhance your understanding of geological vocabulary. Perfect for students and enthusiasts needing quick access to geological information.
Access a comprehensive offline dictionary of geological terms and words. This free application provides thousands of entries, an alphabetical listing, and a search tool, making it ideal for learning and reference without an internet connection.
Instantly decode geology terms with this free offline dictionary. Access a vast encyclopedia of geological vocabulary, bookmark important terms, and learn correct pronunciation with audio. Perfect for students and professionals encountering unfamiliar geological language.
Access a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.
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.
Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.
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.
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.
This offline dictionary provides tens of thousands of legal terms and their meanings. Easily search for definitions, bookmark favorites, and test your knowledge with engaging quizzes. Customize your experience with various color themes.
This comprehensive English dictionary and thesaurus offers precise definitions, synonyms, antonyms, and related words. It features intelligent search tools, offline audio, and customizable themes to enhance your language learning experience.
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.
Explore the volcanic products and geological terms of Kīlauea and Mauna Loa. This educational app provides definitions for features like 'a'a and pāhoehoe lava, cinder cones, tephra, and xenolith.
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.
Access definitions, browse terms, and play word games with specialized dictionaries. Currently includes Geology, Chemistry, Biology, and Medical terms, with more subjects being added regularly. Users can request new dictionaries via email.
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.
Measure geological structures with GPS and weather data. Capture photos, videos, and notes with integrated information. Organize data into projects and export for analysis.
Access detailed geology maps and geophysical images offline. View rock types, their ages, and additional information by interacting directly with the map. Your location is always shown, with easy re-centering functionality.