The Juragan Kost application is a bookkeeping application for small-scale lodging or rented business owners and boarding houses equipped with the main function of helping to monitor room availability, payment due, recording tenant identity, room payments, entry and expense reports.

This application also helps owners in sending proof of payment to tenants via WhatsApp or contacting tenants

The standard functions of this application are:
1. Tenant Data
2. The billing feature can be via WA by creating billing text
3. Room Data ... Facilities ... Prices start per day to per year
4. Transaction Data that records all payments of tenants and expenses used by the owner.
5. Room Type Data.
6. Owner data, complete with password data before making any transactions.