# MrRock：Kids Stone Identifier — Offline Rock, Gem & Crystal ID > Offline rock, gem, and fossil identification app for kids with educational content. (iPhone/iPad app by Zhuoben Tech.) - Source: https://appshunter.io/ios/app/mrrockkids-stone-identifier/id6762290966 (this page in markdown: same URL + `.md`) - Developer: [Zhuoben Tech](https://appshunter.io/developer/6785532360) - Category: Education - Price: Free with in-app purchases - Rating: 4.00/5 from 3 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 121 MB - Languages: American English - Released: 2026-05-08 - Data updated: 2026-08-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/mrrockkids-stone-identifier/id6762290966/reviews.md ## What is MrRock：Kids Stone Identifier? No subscription. No ads. No Wi-Fi needed. MrRock is the offline rock identifier built just for curious kids aged 8-15. Snap a photo of any rock, stone, gem, crystal, or fossil - and learn what it is in under 2 seconds, 100% on your device. Parent-approved. Kid-loved. No strings attached. - - - - - - - - - - - - - - - - - - - INSTANT IDENTIFICATION Point your camera at any stone. MrRock's on-device AI recognizes it instantly - no signal, no Wi-Fi, no waiting. KID-FRIENDLY LEARNING Every result comes with easy facts: how the rock formed, where it's found, why it's special. Curiosity, fed. WORKS ANYWHERE Trails, riverbeds, beaches, backyards - MrRock runs 100% offline, so the adventure never stops. SAFE & PRIVATE No ads. No pop-ups. No chat. No data collection. Fully COPPA-compliant. Nothing leaves the device. BUILD YOUR COLLECTION Save every find. Unlock badges - First Fossil, 50 Minerals, Crystal Hunter, and more. - - - - - - - - - - - - - - - - - - - WHAT MrRock IDENTIFIES - Rocks: igneous, sedimentary, metamorphic - Minerals: quartz, pyrite, mica, galena & 500+ more - Gemstones: amethyst, agate, jade, turquoise - Crystals: rose quartz, citrine, geodes - Fossils: ammonites, trilobites, petrified wood - Meteorites: iron, stony, stony-iron - - - - - - - - - - - - - - - - - - - PERFECT FOR - Family hikes and camping trips - School science projects - Beach days and treasure hunts - Homeschool geology & STEM learning - Scout badges and nature clubs - Young rockhounds and budding geologists - - - - - - - - - - - - - - - - - - - WHY PARENTS LOVE IT * No subscription, no paywalls - one app, all features * Zero ads, zero in-app purchases aimed at kids * 100% offline - no data costs, no Wi-Fi worries * No chat, no social features - nobody can contact your child * Reviewed by certified geologists * COPPA compliant - zero personal data collected WHY KIDS LOVE IT * Mr. Rock, a cartoon guide with terrible rock puns * Earn badges, build streaks, grow your collection * Works on the move - no "no internet" screens * Like having a geologist friend in your pocket - - - - - - - - - - - - - - - - - - - Start exploring the world under your feet. Download MrRock - your kid's first geology adventure. - - - - - - - - - - - - - - - - - - - Questions? hello@inature.app Privacy: inature.app/mrrock/privacy ## Key features - Instant offline identification - Kid-friendly facts and explanations - Build and save rock collections - Unlock achievement badges - Works 100% offline - COPPA-compliant and private ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 5 Scans Pack | $0.99 | one-time | | DrRock Lifetime | $15.99 | one-time | | 20 Scans Pack | $2.99 | one-time | | DrRock Lifetime | $27.99 | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/mrrockkids-stone-identifier/id6762290966/reviews.md ### 2/5 — Free but not *2026-07-12* You only get 3 scans then you have to pay ## Frequently asked questions about MrRock：Kids Stone Identifier ### What is MrRock? MrRock is an offline rock identification app designed for children aged 8-15. It allows users to snap photos of rocks, stones, gems, crystals, or fossils and instantly learn what they are, with no internet connection required. ### Does MrRock have ads? No, MrRock is ad-free. The app explicitly states 'No ads. No pop-ups. No chat. No data collection.' and is designed to be safe and private for children. ### How does MrRock identify stones? MrRock uses on-device AI to recognize stones from a photo. This process is done entirely on the user's device, meaning no Wi-Fi or signal is needed for instant identification. ### What kind of stones can MrRock identify? MrRock can identify a wide variety of geological items, including igneous, sedimentary, and metamorphic rocks, over 500 minerals, gemstones like amethyst and jade, crystals such as rose quartz, fossils like ammonites, and even meteorites. ### Is MrRock suitable for school projects? Yes, MrRock is perfect for school science projects, homeschool geology, and STEM learning. It provides easy facts about how rocks formed, where they are found, and why they are special. ### Can I save my rock finds with MrRock? Yes, you can build your collection by saving every find within MrRock. The app also allows you to unlock badges for achievements like 'First Fossil' or 'Crystal Hunter'. ### What is the age rating for MrRock? MrRock has an age rating of 4+. It is designed to be parent-approved and kid-loved, with a focus on safety and privacy. ### How often is MrRock updated? The latest version of MrRock is 1.1, which was last updated on August 9, 2026. This indicates a recent update, suggesting ongoing development and support for the application. ## Version history (last 2 releases) ### 1.1 — 2026-08-09 Updated the recognition model and improved the overall user experience. ### 1.0 — 2026-05-09 No release notes. ## Apps similar to MrRock：Kids Stone Identifier | App | Rating | Price | Category | | --- | --- | --- | --- | | [Rock Scanner: Rock ID](https://appshunter.io/ios/app/rock-scanner-rock-id/id6748944973) | — | Free | Education | | [CHSE Exam Prep 2026](https://appshunter.io/ios/app/chse-exam-prep-2026/id6753592550) | 4.7 (20) | Free | Education | | [Crown Variety Cash Register](https://appshunter.io/ios/app/crown-variety-cash-register/id1606306781) | — | Free | Education | | [Rock Identifier: Rocksnap](https://appshunter.io/ios/app/rock-identifier-rocksnap/id6742430436) | 4.3 (7) | Free | Education | | [Christ Community Naples](https://appshunter.io/ios/app/christ-community-naples/id1601488775) | 5.0 (3) | Free | Education | | [Rock Scan: Identify Rocks](https://appshunter.io/ios/app/rock-scan-identify-rocks/id6752629227) | 4.0 (5) | Free | Education | ## More apps by Zhuoben Tech - [iNature-Offline All Identifier](https://appshunter.io/ios/app/inature-offline-all-identifier/id6759235508) - [NatureEar - Offline Sound ID](https://appshunter.io/ios/app/natureear-offline-sound-id/id6788026814) All apps by Zhuoben Tech: https://appshunter.io/developer/6785532360 ## Related topics [qiang dai](https://appshunter.io/ios/topics/qiang-dai) --- *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 2026-08-11.*