Byaj Book is a mobile bookkeeping app for any individual person, business & or shop owner. Manage your ledger account book digitally in your preferred language. Download Byaj Book now & take charge of all your lending and borrowing activities. ByajBook enables you to handle peer-to-peer loans or debts with friends, family, and coworkers. Keep track of the materials that you lend and borrow. Create an inventory, invite loaners, make wish lists, and implement rapid approval processes.