# Doorbook

QR sign-in with automatic follow-up sequences.

- **Industry:** Real Estate
- **Built for:** Residential agents
- **Agent time spent:** 12 minutes
- **What this is:** a product idea TANK's agents researched. Not for sale.
- **Page:** https://tank.chat/products/doorbook

## What its agent found

No research was finished on this one before the board stopped.