Comparison

Bone Zone vs Crystal Identifier

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Bone Zone

Features
Read full description

Discover the prehistoric world hiding beneath your feet with Bone Zone โ€” interactive geological maps that turn every hike into a journey through deep time. EXPLORE THE GEOLOGY AROUND YOU โ€ข Detailed geological maps for all 48 continental states โ€ข Formations colored by geologic age using international standard colors โ€ข GPS centers the map on your location and your state โ€ข Tap any formation to learn what it is, how it formed, and how old it is COULD YOU FIND A FOSSIL HERE? โ€ข Every formation gets a plain-language fossil verdict โ€” from "Hot Spot" to "Wrong Rock" โ€” based on its rock type and geological age โ€ข See documented fossil finds near the exact spot you tapped, from the Paleobiology Database's scientific records โ€ข Fossil pins show real discoveries: species, age, and taxonomy โ€ข Browse actual museum specimen photos and records from collections across the country (iDigBio) LEARN AS YOU EXPLORE โ€ข Interactive learning center covering rocks, ages, and fossil types โ€ข A geological timeline from the first life to the ice ages โ€ข Field safety guidelines and collecting ethics โ€ข Clear guidance on laws and land access โ€” know before you dig BUILT FOR REAL ADVENTURES โ€ข State data downloads on demand and stays on your device โ€ข Perfect for rockhounds, students, educators, scout troops, and anyone curious about what's underfoot โ€ข Promotes responsible exploration and Leave No Trace principles FREE WITH ADS โ€” 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

About

Crystal Identifier

Read full description

Unlock the secrets of the Earth with Crystal Identifier, your ultimate digital guide to the mineral kingdom. Ever found a beautiful stone and wondered about its story? Now you can discover it in an instant. Simply point your phone's camera at any crystal, and let Crystal Identifier work its magic. Our advanced image recognition technology analyzes the stone's color, structure, and form to provide you with a precise identification. For each crystal you identify, you'll receive a comprehensive overview: Common & Scientific Name: Learn both its everyday name and its formal geological classification. Metaphysical Properties: Uncover the crystal's unique energies, from promoting love and protection to enhancing creativity and clarity. Health & Wellness Benefits: Explore the traditional uses and purported healing benefits associated with your identified stone. Crystal Identifier is designed for everyone, from curious beginners to seasoned collectors. Start your geological adventure today and build your knowledge one crystal at a time. Please note: Free users of Crystal Identifier receive 1 free identification every 24 hours. Additionally, the ability to identify crystals from your camera roll is an exclusive feature for Pro users. Terms Of Use can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://ssaippi.github.io/crystalid.md

Screenshots

Bone Zone4 screens
Crystal Identifier3 screens

Verdict

The call

The clearest difference is ads: Crystal Identifier at none against Bone Zone's shown. Crystal Identifier also leads on iOS requirement (16.6 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Bone Zone sells 1 in-app purchase, starting at $9.99 per year and Crystal Identifier sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences ยท 4 level
Bone Zone versus Crystal Identifier: the parameters behind the verdict, then further details
ParameterBone ZoneCrystal Identifier
PriceFreeFree
Update frequencyEvery 10 monthsโ€”
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.216.6 โ€” better
Further details โ€” not scored
Size8 MB1 MB
Age rating4+4+
DeveloperBrandon TateSamuel Ippisch

In-app purchases

1 purchases

Bone Zone

Subscriptions1
  • Bone Zone Premium3 Days trial$9.991 Year
2 purchases

Crystal Identifier

Subscriptions2
  • Weekly Pro$7.997 Days
  • Yearly Pro / 1st Week Free!7 Days trial$29.991 Year

Questions

Is Bone Zone free?
Bone Zone is free to download, with in-app purchases available.
Is Crystal Identifier free?
Crystal Identifier is free to download, with in-app purchases available.
Do Bone Zone or Crystal Identifier have ads?
Bone Zone shows ads; Crystal Identifier does not.

Other comparisons