Back to browse
App review

Rock Identifier: Stone ID

Users photograph or upload a rock/crystal/mineral, receive an identification and facts such as formula/hardness/color, then save records to a collection or browse articles.

Route
Explore
Ages
12+ adult-led
Best for
Adult-led rock and mineral curiosity checked against reliable sources

At a glance

Developer
Next Vision Limited
Platforms
iOS, Android
Cost
Free with subscription
US App Store
4.66 from 78,788 ratings

Free US iOS/Google Play download; Yearly Premium has a stated 7-day trial and removes ads/unlocks unlimited identification; exact renewal price needs in-app verification.

The short version

Fast photo-to-candidate identification and an illustrated collection can trigger real geology interest, but not enough is verified to recommend it as a trusted child learning tool. Keep it on hold until accuracy, ads, subscription, and pseudoscientific-content boundaries are tested.

Creative agency: Medium — children bring their own finds, but the app gives classifier-led answers. Learning value: Medium/uncertain — mineral facts can help, but accuracy and evidence framing must be checked and non-scientific content separated. Age fit: Hold; adult-led 12+ testing only. Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding. Learning value: Medium/uncertain — mineral facts can help, but accuracy and evidence framing must be checked and non-scientific content separated. Age fit: Hold; adult-led 12+ testing only. Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding. Age fit: Hold; adult-led 12+ testing only. Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding.

What we found

Strengths

  • Creative agency: Medium — children bring their own finds, but the app gives classifier-led answers. Learning value: Medium/uncertain — mineral facts can help, but accuracy and evidence framing must be checked and non-scientific content separated. Age fit: Hold; adult-led 12+ testing only. Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding.
  • Learning value: Medium/uncertain — mineral facts can help, but accuracy and evidence framing must be checked and non-scientific content separated. Age fit: Hold; adult-led 12+ testing only. Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding.
  • Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding.

Watch-outs

  • Fast photo-to-candidate identification and an illustrated collection can trigger real geology interest, but not enough is verified to recommend it as a trusted child learning tool.
  • Parent view: Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline. Staying power: Medium — personal collecting is motivating but may be constrained by paywall/accuracy. This is a , not a hands-on finding.
  • Exact subscription renewal price, free-tier advertising, classifier accuracy, privacy controls, and current content mix were not hands-on tested.

Before you download

Age guidance
12+ adult-led; Apple labels it 4+, but a camera classifier, subscription trial, financial/personal-data disclosures, and potentially misleading “healing/zodiac” material are not a simple child-app fit.. Adult involvement: High; supervise photo/location collection, trial cancellation, claims evaluation, and any rock-hounding safety.
Privacy
Subscription trial, likely ads in free tier, camera/photos, and broad data disclosures exceed the preferred low-friction family baseline.