Bone Zone

Geology & Fossil Explorer

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Now FREE! Explore interactive geology maps of all 48 states, tap any formation for its fossil potential, and browse real museum fossil specimens. Discover the prehistoric world hiding beneath your feet with Bone Zone — interactive geological maps that turn every hike into a journey through deep time. EXPLORE THE GEOLOGY AROUND YOU • Detailed geological maps for all 48 continental states • Formations colored by geologic age using international standard colors • GPS centers the map on your location and your state • Tap any formation to learn what it is, how it formed, and how old it is COULD YOU FIND A FOSSIL HERE? • Every formation gets a plain-language fossil verdict — from "Hot Spot" to "Wrong Rock" — based on its rock type and geological age • See documented fossil finds near the exact spot you tapped, from the Paleobiology Database's scientific records • Fossil pins show real discoveries: species, age, and taxonomy • Browse actual museum specimen photos and records from collections across the country (iDigBio) LEARN AS YOU EXPLORE • Interactive learning center covering rocks, ages, and fossil types • A geological timeline from the first life to the ice ages • Field safety guidelines and collecting ethics • Clear guidance on laws and land access — know before you dig BUILT FOR REAL ADVENTURES • State data downloads on demand and stays on your device • Perfect for rockhounds, students, educators, scout troops, and anyone curious about what's underfoot • Promotes responsible exploration and Leave No Trace principles FREE WITH ADS — REMOVE THEM FOREVER Bone Zone is free to use, supported by small banner ads that never cover the map. An optional one-time purchase removes all ads permanently. No subscriptions, no accounts. From shark teeth on beaches to ancient coral reefs in your local hills, start your journey through deep time today. Privacy: https://bone-zone.app/privacy-policy.html Terms: https://bone-zone.app/terms-of-service.html

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

Bone Zone is now free! Explore geological maps and fossil data for all 48 continental states, with banner ads supporting the app — or remove ads forever with a one-time purchase. This update also brings major map performance improvements, fixes for state data loading, and smoother info panels.

Version 2.1.0

The developer, Brandon Tate, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Brandon Tate
Size
8.5 MB
Category
Education
Compatibility
Requires iOS 18.2 or later.
  • iPhone
    Requires iOS 18.2 or later.
  • iPad
    Requires iPadOS 18.2 or later.
  • Mac
    Requires macOS 15.2 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.2 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© Brandon Tate
  • Developer Website
  • Privacy Policy

    • More by Brandon Tate

    You Might Also Like