249+ iOS apps curated and reviewed
Out of 249+ roadside geology apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (65) | No | Yes | Oct 2026 | |
| 2 |  | Free | 5.0★ (2) | Yes | Yes | Jun 2026 | |
| 3 |  | Free | 4.4★ (185) | No | No | Sep 2026 | |
| 4 |  | Free | 5.0★ (7) | No | No | Oct 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | — | No | No | Aug 2026 | |
| 7 |  | $2.99 | — | Yes | Yes | Aug 2026 | |
| 8 |  | Free | — | No | No | May 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.
Explore Earth's geologic wonders with this comprehensive field guide. Identify rocks and minerals using AI or manual methods, access professional geologic maps, and discover over 32,000 rockhounding sites. Document your expeditions with GPS-tagged notes and photos, and connect with a global community of geology enthusiasts.
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.
