Out of 214+ roadside geology apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
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.
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.
What We Love
🗺️ Comprehensive geological maps with detailed information
💡 Innovative integration of peer-reviewed references and literature
🧭 Built-in Brunton compass and clinometer tools
📱 User-friendly interface and intuitive navigation
Room to Improve
🐛 Black map display issues in offline and online modes
📍 GPS tracking and real-time position updates failing
🔌 Offline functionality severely limited or broken