Alabbasi TechALABBASI TECH عربي
Case study · Mobile Apps

Shop Credit Ledger App

A mobile credit ledger usable even by people who cannot read: amounts entered by tapping banknote images, voice confirmation, and a record that cannot be forged.

Type of work
Offline mobile app
Field
Shops and their counter staff
Service
Mobile Apps
Technologies
FlutterSQLiteOffline-first
Shop Credit Ledger App
01

The challenge

Every shop sells on credit, and the worker at the counter is the one who records it. Many workers cannot write a name or read a number, and the paper ledger gets lost and disputed.

Every credit app asks you to type the amount, which needs reading, arithmetic and a keyboard.

02

What we built

We turned amount entry from a symbolic task into a visual one: a grid of banknote images the worker taps exactly as they would hand them over, voice confirmation, and large targets for hurried fingers.

We made the ledger honest: no transaction can be edited or deleted, enforced inside the database engine itself. A correction is a reversing entry with a written reason, so every past state can be rebuilt.

The app works fully offline, with backup and restore that merges copies without deleting anything.

03

The outcome

Shop owners know their customers' balances precisely, workers record with confidence, and customers cannot deny what they took.

Key features

What sets this work apart

Screens from the system

Screens from the system

Screens are taken from the systems themselves, not mock-ups.

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