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I Built a Free iOS App for BJD Collectors

The Problem

If you are a BJD (Ball-Jointed Doll) collector, you know the struggle of tracking your dolls in spreadsheets and notes.

So I built BJD Doll Archive — a free iOS app designed specifically for BJD collectors.

What It Does

  • Doll profiles — add photos, names, and custom details for each doll
  • Track customizations — face-ups, body blushing, modifications
  • Set reminders — resin delivery dates, face-up appointments, payment schedules
  • 4 languages — English, Chinese, Japanese, Korean
  • Privacy first — no account needed, data stays on your device

Tech Stack

Built with SwiftUI and Core Data. No backend, no accounts, no data collection. Your collection is private.

Key Learnings

  1. Niche communities deserve niche tools — BJD collectors have very specific needs
  2. Privacy-first design wins — collectors prefer apps that dont upload their data
  3. Multilingual support is essential — the BJD community is truly global

What is Next

Based on feedback, the top requested feature is a photo gallery for each doll — multiple photos to track changes over time.

Try It

Search BJD Doll Archive on the App Store or visit: https://apps.apple.com/us/app/bjd-doll-archive/id6759537855

Would love to hear what features you want! 🎎

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