# Hutton App — A Geology Field Map > Geology field guide with AI rock identification, maps, and rockhounding site database. (iPhone/iPad app by GeoKidz LLC.) - Source: https://appshunter.io/ios/app/hutton-app/id6755796376 (this page in markdown: same URL + `.md`) - Developer: [GeoKidz LLC](https://appshunter.io/developer/1856426044) - Category: Education, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 61 MB - Languages: English - Released: 2026-01-22 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/hutton-app/id6755796376/reviews.md ## What is Hutton App? Unlock Earth’s geologic wonders with Hutton. Whether you are a seasoned geologist, a student, or a weekend rockhound, Hutton turns your smartphone into an easy-to-use, comprehensive geology field guide. Named after the father of modern geology, James Hutton, our app bridges the gap between deep scientific data and the joy of outdoor discovery. Explore professional geologic maps Powered by Macrostrat integration, Hutton provides a deep look at the ground beneath you. • Real-Time Data: View interpretative geologic maps that update as you hike, climb, or drive. • Formation Insights: Explore geologic units to learn about the surrounding rock’s age, lithology (rock type), formation, and stratigraphic name. • Offline Access: Headed off-grid? Download maps and take the world’s geology with you, even without cell service. Identify rocks and minerals Never leave a mystery stone behind. Hutton offers a dual-approach to identification: • Instant AI ID: Snap a photo for high-speed identification trained on thousands of verified mineral specimens. • The "Scientific Method" Mode: If you want to be certain, Hutton guides you through a manual testing prompt. Answer questions about Hardness (Mohs Scale), Luster, Streak, and Cleavage to arrive at a professional-grade identification. It’s not just an ID—it’s a geology lesson. Discover the ultimate rockhounding companion Find your next treasure with our database of 32,000+ rockhounding sites. • Know Before You Go: Get detailed info on what minerals are found at each site (Agates, Geodes, Quartz, and more). • Site Insights: Each rockhounding location includes AI-generated identification tips, collector notes, and geological summaries to help you know what to look for. Document your journey • Document your expeditions with our "Trips" feature. Save photos of outcrops and write field notes directly to your GPS-tagged path. • At the end of your journey, Hutton generates a beautiful, organized report summarizing your discoveries and the geologic formations you traversed. Who is Hutton for? Outdoor Enthusiasts: Add a new layer of depth to your adventures. It’s like having a professional geologist at your side. Students & Educators: A powerful companion for geology field camps. Turn every hike into a laboratory. Hobbyist Rockhounds: Use our site guides and ID tools to build a world-class collection. Professional Geologists: A quick-reference tool for stratigraphic units and a digital backup for field observations. A global geology community Virtual Collection: Catalog your finds in a beautiful digital gallery and photo album. Geology Dictionary: Master the terminology of Earth Science with an integrated glossary of thousands of terms. Community Hub: Share your trip reports, ask questions, and connect with a community that shares your passion for the Earth. Frequently asked questions • Does it work in remote areas? Yes! Our offline mapping and trip tracking are designed for remote field work. • How accurate is the identification? Our AI is constantly learning, but our "Physical Test" mode ensures you have the tools to verify every find personally. • Is my data private? Your field notes and trip locations are yours alone. You only share what you choose to post to the Community Tab. Download Hutton today and uncover the stories written in stone. Terms of Use: https://node-js-template-geokidzinfo.replit.app/terms Privacy Policy: https://node-js-template-geokidzinfo.replit.app/privacy ## Key features - Professional geologic maps - Real-time data updates - AI rock and mineral identification - Manual identification mode - 32,000+ rockhounding sites - GPS-tagged trip documentation - Integrated geology dictionary ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Hutton Premium Monthly | $5.99 | per month | | Hutton Premium Six month | $29.99 | per 6 months | | Hutton Yearly Monthly | $47.99 | per year | ## Frequently asked questions about Hutton App ### Does Hutton work in remote areas? Yes, Hutton is designed for remote field work with its offline mapping and trip tracking features. You can download maps and take them with you even without cell service. ### How does Hutton identify rocks and minerals? Hutton offers a dual-approach: instant AI identification by snapping a photo, or a manual 'Scientific Method' mode that guides you through testing properties like hardness and luster for a professional-grade identification. ### What kind of geologic maps does Hutton provide? Hutton provides professional geologic maps powered by Macrostrat integration. These interpretative maps update in real-time as you move, offering insights into the age, lithology, formation, and stratigraphic name of surrounding rocks. ### Can I document my geology expeditions with Hutton? Yes, Hutton's 'Trips' feature allows you to save photos of outcrops and write field notes directly to your GPS-tagged path. It generates a summary report of your discoveries and traversed geologic formations. ### What is the age rating for Hutton? Hutton has an age rating of 4+, making it suitable for a wide range of users interested in learning about geology. ### How often is Hutton updated? The latest version of Hutton is 1.0.7, and it was last updated on June 1, 2026. This indicates a recent update, suggesting ongoing development and support. ### Does Hutton have advertisements? Yes, Hutton contains advertisements. This is indicated by the 'hasAds' flag being true in the application data. ### What devices is Hutton compatible with? Hutton is supported on iPhone, iPad, and iPod devices, making it accessible to a broad range of Apple users. ## Version history (last 5 releases) ### 1.0.7 — 2026-06-01 Bug fixes and improvements: Fixed an issue where pending uploads would not clear even after a successful sync Fixed the refresh button not appearing on completed trips Fixed mineral identifications getting stuck in the upload queue Improved reliability of automatic app updates General performance improvements and stability fixes ### 1.0.6 — 2026-03-31 Bug fixes and improvements, including a streamlined Community Board welcome message and general stability updates. ### 1.0.5 — 2026-03-19 Bug fixes and performance improvements, including: Photos now display correctly in your mineral collection Geological formation popups on the trip map stay visible and are now scrollable New welcome message on the Community board General stability improvements ### 1.0.4(1) — 2026-02-06 Bug fixes and performance improvements. - Improved subscription loading experience - Fixed photo linking for mineral identification ### 1.0.3 — 2026-02-04 You can now rename your saved trips - just tap the pencil icon next to the trip name Improved sync feedback - you'll see a notification when your data syncs successfully or if there's an issue Bug fixes and performance improvements ## Related topics [hutton app](https://appshunter.io/ios/topics/hutton-app) · [roadside geology](https://appshunter.io/ios/topics/roadside-geology) · [geology apps like rockd](https://appshunter.io/ios/topics/geology-apps-like-rockd) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*