People frequently see products in the wild or online but struggle to find where to buy them.
Build an app that uses image recognition to identify products from photos, then shows purchase options from various retailers with price comparisons.
Make money through affiliate commissions from retailers and optional premium features like price alerts.
The MVP could focus on one product category (e.g. furniture) before expanding.
Competing with Google Lens and Amazon's visual search requires either better accuracy or specialized verticals.