Customer credit book
Record what customers owe and what they repay.
Keep your shop's credit book on your phone
Track customer credit, stock and daily sales in one simple Android app—even without internet.
Four things your shop needs
Stock tracking
Check available products and stock changes.
Daily accounts
Review sales, expenses and available reports to understand your day.
Works offline
Use core shop functions without internet.
Real app screenshots
Real screenshots will be added here. We do not present mockups as actual app screens.
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Watch a demo
An authentic QAMVIO walkthrough will be embedded here when available.
▶ YouTube demo — pending real video
Shopkeeper feedback
We will publish genuine feedback only with customers' permission.
Frequently asked questions
Does it need internet?
Core app features work offline.
What phone does it work on?
Android devices; check compatibility before installation.
Can I record customer credit?
Yes, customer accounts and credit records are supported.
Does it calculate daily profit?
The app has sales, expense and reporting information; accurate profit depends on correct cost and expense entries.
Make shop accounts easier
Download the app or message us for help.