Free for anyone with a ZODI login. Your customers and invoices are private to your account. Invoice numbers start at 1 and count up in your own sequence. Customer details you enter are private to your account — you're responsible for what you store here. 凡有 ZODI 帳戶即可免費使用。客戶及發票資料只屬於你的帳戶。發票編號由 1 開始，按你自己的次序遞增。你所輸入的客戶資料只屬於你的帳戶，你需為所儲存的資料負責。
Teaching classes or courses? The B2C System is this same tool with a class calendar and packages added. 如你經營課程或班別，B2C 系統是同一套工具，另加課堂日曆及套票功能。