SONO Debit Book - Replace paper books with electronic ones. Completely free. Safe and secure for stores, small companies managing their customers' debts. The store owner uses the app to debit (receive money) and credit (lend money) to his loyal customers.

The #1 App in Vietnam to replace paper debt books and turn credit transactions into electronic debt books with smart features

- 100% Free, Safe, Confidential
- Feature to send SMS/Zalo to remind debt, remind yes
- Auto Archive
- Create a personal debit book to manage transactions with family and friends
- Send transaction statistics via Zalo to customers
- One account to manage multiple stores
- Export report to PDF file
- Works even without wifi network, 3G/4G mobile
Features coming soon
[-] Manage a SONO Debit Book on multiple phones
[-] Set reminder for customer's payment appointment
[-] Secure Debit Book with code

With an electronic debit book, you can also:
- Add customers to Debit Book
- Edit customer information
- Add transaction done customer
- Editing transactions done by customers on the Debit Book
- Delete transaction on Debit Book
- Manage debt with suppliers
- Direct phone calls at the touch of a button from the App
- Send Zalo messages directly to customers to remind the balance, increase capital turnover for your store cửa
- Simple App interface, easy account management
- Use anytime, anywhere
- All your debt, yes information is always with you
- E-book, completely free
- 100% accurate, updated transaction information and debt/credit status
- Design and programming exclusively for smartphones

Products of Vietnamese people, developed in Vietnam

For small retail stores in rural areas as well as chain of convenience stores in big cities of Hanoi, Ho Chi Minh, and Da Nang

Areas where SONO Debit Book can be used:
- Sim and card stores
- Grocery store, clean food
- Bakery shop, water shop, milk shop
- Gold, silver, gem shops
- Pharmacies
- Fashion stores, tailor-made clothes shops, suits
- Restaurant, tea 3 regions
- Iced tea shop, selling cigarettes
- Use for personal financial transactions