DingDong Board - Queue Display

Turn your spare smartphone or tablet into a sleek digital waiting room display and contactless QR ticketing kiosk!
DingDong Board is an all-in-one, completely free, ad-free queue management solution that requires no cloud registration, monthly fees, or SMS costs.

Choose between two powerful modes tailored for your store:
1. 📺 DingDong Board (Display Mode): A large digital signage board showing waitlists and calling statuses in bold typography for hospitals, clinics, and offices. Easily mirror to Smart TVs or view in any browser on the local Wi-Fi.
2. 📱 DingDong Wait (QR Queue Mode): Place your tablet or phone at the store entrance. Guests simply scan the high-resolution QR code with their phone camera to get an instant mobile queue ticket with live wait times and entry alerts.
3. Tap the top-left title multiple times on each mode screen to open the local admin page URL popup.

Key Features:
- Dual Modes in One App: Switch between full display board and self-service QR kiosk seamlessly.
- 100% Free & No Ads: No subscription fees, no SMS charges, completely free forever.
- Zero Privacy Risk: Anonymous ticketing means no phone number collection and zero privacy compliance burden.
- Real-time Web Admin Console: Manage queues, call guests, and track wait times from any PC, tablet, or smartphone browser.
- Global Multi-language: Automatic detection and full support for English, Korean, and Traditional Chinese.
- Custom Branding: Add your store logo, customize store name, and choose from pleasant chimes and TTS voice announcements.
- Local First & Reliable: Runs lightning-fast on your local Wi-Fi network even if external internet fluctuates.