Bill Book is an Android application that can help you manage your business efficiently. It is developed by Bill Book and is free to download. The app offers a wide range of features that can help you keep track of your bills, payments, and parties.

With Bill Book, there is no limit to the number of bills, items, parties, payments, sharing, prints, and SMS you can make. You can generate bills in your own language and send them to your customers. The app maintains all payment histories in an account ledger, and you can search for bills by party name or contact number.

The PRO features of the app include the removal of advertisements during the validity period, sending combined payment due or payment paid SMS, entering combined payment amounts for multiple bills, and using EPSON TM-T82 series 3-inch thermal printers. Additionally, paid amounts and messages will be clearly visible in the account history.

Overall, Bill Book is a powerful tool for business and productivity that can help you get rid of paper bills, maintain all payment histories, and generate beautiful bills for your customers.