Listr

A barcode-first inventory app for collectors and sellers, built with Expo and React Native.

Creator · Product / Architecture / Engineering · Updated 2026-08-31

Status: In progress

• Mobile product engineering
• Offline-aware data
• Internationalization
• Independent delivery

Built with: React Native · Expo · TypeScript · Supabase · TanStack Query · i18next

GitHub

Architecture

Expo / React Native client with EAS builds; Supabase for data and auth; a small Cloudflare Worker proxies an eBay webhook. Maestro drives end-to-end flows.