Collectors, rockhounds, gem learners, and earth science students.
- 182-species offline atlas
- On-device photo assistance
- Specimen records and CSV export
Offline geology atlas
A field reference for what the rock might be.
A paid offline atlas of 182 common minerals, gems, and rocks, with physical properties, safety notes, on-device photo assistance, specimen records, and CSV export.
01 / What it is for
Built around one clear, recurring problem.
02 / Product facts
- Platform
- iPhone and iPad
- Price
- $2.99 · one-time purchase
- System
- iOS 17.0+
- Privacy posture
- No account, ads, analytics, cloud identification, or cloud sync.
Important: Photo assistance does not replace professional testing, appraisal, or safety guidance.
03 / Related work
