Photograph any rock, mineral, or crystal and instantly learn its name, properties, origin, and value — powered by AI.
Reference app: Rock Identifier: Stone ID — a niche identification app with $500K+/year revenue.
What to build: A mobile app where users photograph a rock or crystal and receive an instant AI-powered ID: mineral name, geological properties, hardness, origin, and market value. Include a personal collection and field guide.
Key features:
Scoring focus: AI identification accuracy, result UI, and collection UX.
Using our starter template? Please star the repository on GitHub! We actively prioritize grading submissions from developers who support the open-source templates.
Reviewed in this order — nail the top items first.
Screenshots
First impression of your UI — clear, polished screens of all major flows.
Loom walkthrough
A quick intro and full app demo showing it working end-to-end.
AI logs
Your AI-assisted development process — quality of prompts and iterations.
Code quality
Clean architecture, sensible structure, readable code.
Reflection
Honest write-up of what was easy, difficult, and what you'd change.
