CHALLENGE
Five Mineral Specimens
Reach this goal in 28 days: scan finds and save them to your collection. Pro required; no extra event fee.
RockLens: Rock Identifier
Crystal, Mineral & Gem Scanner
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Also Included In
iPhone
Photograph a rock or crystal. Explore color, luster and reference hardness, keep a specimen journal, and learn to look closer with 12 guides.
Photograph a rock, mineral or crystal to explore its likely identity, visible traits and formation. RockLens brings details such as color, luster and reference hardness together, helping you learn the story behind a specimen you found.
Explore the specimen
Take a clear photo or choose one from your library. Check the likely match and explore color, luster, crystal-system and formation details.
Learn the distinguishing traits
Explore hardness, streak, fracture and luster. Use the guides to learn how these traits help distinguish similar specimens.
Look beyond the surface
Explore the background information and read articles about imitation or treatment clues. Keep the details you want to research with your specimen record. From an unlocked result, open a guide to common imitations and treatments (learning clues, not a verdict on your specimen).
Keep an observation journal
Save an unlocked result, add notes and organize items in folders. Revisit your saved details and identification history as you explore. Add specimens you want to collect to a separate wishlist from an unlocked result, and filter saved specimens by rock type or mineral group.
Learn with 12 guides
Read 12 topic guides in step-by-step pages, alongside other in-app articles. No subscription is needed to read the guides.
Ask your next question
Open the assistant from the result page to ask follow-up questions and keep learning. Usage limits are shown in the app.
Read the safety note
This is an educational identification and reference tool, not a professional or safety authority. Photo matches can be wrong, and details may be incomplete; missing risk information does not mean safe. Do not use the app to decide whether anything can be eaten or safely handled. Verify important identifications independently and follow local rules. A photo is not a laboratory test and cannot certify a specimen as natural, untreated or genuine. Hardness information describes reference properties, not a measurement of your specimen; mineral information and cultural stories are not health or therapeutic advice.
Understand your privacy
We use PostHog for limited product analytics and AppsFlyer to measure installations and ads for our apps. Eligible event data may be shared with Meta for advertising measurement and optimization under applicable privacy controls. Photos go to our recognition service and Google's AI models to identify them. They are not used for advertising. See our Privacy Policy for details.
Explore access and purchases
Explore with an initial allowance of complete photo-identification results. Once it is used, parts of new results are locked and a paid upgrade is offered. Availability and limits are shown in the app.
Paid access applies to this app. Check the purchase screen for available options, prices, trial eligibility and usage limits. A trial, if offered, depends on eligibility. Subscriptions renew automatically unless canceled; manage or cancel them in your App Store account settings.
Read the terms
Terms of Use: https://rocklens.app/terms
Privacy Policy: https://rocklens.app/privacy
Both are also available inside the app.
Events
Ratings & Reviews
This update improves the interface and everyday experience:
• Refined Home and results layouts for clearer information.
• Improved camera flow and onboarding guidance.
• Smoother scrolling and fixes for loading and display issues.
• Improvements to collection management and related interactions.
Subscriptions
The developer, 懿峰 吕, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Location
- Contact Info
- Identifiers
- Usage Data
- Diagnostics
- Other Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 懿峰 吕
- Size
- 224.2 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 25 more
- English, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- RockLens Pro Annual $39.99
- RockLens Pro Lifetime $49.99
- RockLens Pro Weekly $9.99
- RockLens Pro Weekly $7.99
- RockLens Pro Weekly $7.99
- RockLens Pro Annual $44.99
- RockLens Pro Annual $44.99
- RockLens Pro Annual $44.99
- RockLens Pro Annual $39.99
- RockLens Pro 年订阅回归优惠 $69.99
- Copyright
- © 2026 Yifeng Lv