🧠 Engineering Culture

Solo Dev Builds Offline-First iOS App in 43 Days for Flea Market Flipping – Swift, SQLite, Claude Magic

Forget cloud-first mandates. One dev shipped a fully offline iOS app for reselling flea market finds – in just 43 days, powered by Swift, SQLite, and Claude AI. It's free, functional, and flips the script on app dev norms.

iOS app screenshot showing flea market item tracking with profit calculator and offline sync status

⚡ Key Takeaways

  • Offline-first with GRDB SQLite crushes JSON for real-scale local data.
  • Claude Code slashes solo dev time to 43 days – boilerplate killer.
  • Zero-backend model revives niche App Store hits, dodging cloud costs.
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Originally reported by dev.to

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