Rockd
Rockd Summary
Rockd is a mobile iOS app in Education by University of Wisconsin-Madison Shared Apps. Released in Sep 2016 (9 years ago). It has 200 ratings with a 4.42★ (good) average. Based on AppGoblin estimates, it reaches roughly 455 monthly active users . Store metadata: updated Feb 21, 2026.
Store info: Last updated on App Store on Feb 21, 2026 .
4.42★
Ratings: 200
Screenshots
App Description
Explore, learn about, and document your geologic surroundings! Whether you are a professional geoscientist or curious about the rocks around you and the stories they tell, Rockd allows you to explore and learn about the geologic record, contribute your own observations, and log your journey through the geologic record.
Features:
- Instant access to geologic and geographic summaries of your current location via a Dashboard
- Interactive global access to more than 290 geologic maps, with more being added weekly
- Explore the landscape with a dynamic, 3D virtual globe
- Save maps for use in the field with a built-in map caching system
- See your past location and explore paleogeographic maps from C.R. Scotese and GPlates
- View Macrostrat stratigraphic columns where available (beta)
- Explore published literature containing mentions of mapped geologic units (when available) via xDD (formerly, GeoDeepDive)
- Elevation data for most points on Earth from digital elevation models (DEMs)
- Add your own field observations even offline; tag features from Macrostrat and the Paleobiology Database
- Record strike/dip or trend/plunge for geologic features, using your phone's compass
- Track your progress through the geologic record privately, or share it with others
- See the public activity of other users and share your own and other public checkins using unique URLs
Rockd is produced by the Macrostrat lab in the Department of Geoscience at the University of Wisconsin - Madison. Support provided by the National Science Foundation (NSF) and the Dept. of Geoscience.
Experiencing issues? Send an email to contact@rockd.org and we will do our best to help you resolve it.