생수 배달

This is a specialized app for creating invoices and managing payments for bottled water delivery businesses. Key Features: - Delivery Registration: Enter product quantities by vendor and calculate totals in real-time - Invoices: Create invoices, sign with recipients, and save and share images - Vendor Management: Vendor information, individual unit prices, and visit schedule settings - Payment Management: Record collections and automatically calculate outstanding balances - Summary Page: Check delivery schedules and contact records by date - Data Backup: Supports backup and recovery via JSON files All data is safely stored on your device and can be used offline. You can continue using the service with a subscription after a 3-month free trial.