Offline Business Management Software Development -- 2
Budget: $10 – $30 USD
Software Development Requirements – Installment Business Management System
1. Platform
Desktop-based offline computer software
Must support cloud backup/sync with:
Google Drive
TeraBox
Purpose: Secure daily data storage and remote access if needed.
2. Business Type
The software will manage an Installment-Based Business for:
Mobile Phones
Motorbikes
Electronics
Products are bought in bulk and sold on installments to individual customers.
3. Main Modules
a. Day Book (Daily Cash Ledger)
The central module where all income and expenses are recorded.
Auto-calculated Cash in Hand:
mathematica
Copy
Edit
Cash in Hand = Previous Cash in Hand + Today’s Income - Today’s Expenses
Today's closing balance becomes the next day's opening balance
Features:
Date Selector: Choose the entry date
Description Field: Mention purpose/details of the entry
Ledger Selection: Link the entry to an existing ledger
Create New Ledger option if it doesn’t exist
Clickable Ledger Name: Opens full ledger page
Mode of Payment Options:
Cash
JazzCash
EasyPaisa
Bank
Payment handling:
Cash → Added to Cash in Hand
Bank / JazzCash / EasyPaisa → Sent to their respective ledger
All entries will be fully synchronized across ledgers
b. Purchase & Inventory
When a product is purchased:
Added as an expense in Day Book
Entry is created in the Purchase Ledger
Product is automatically added to Inventory
Product Details include:
Name
Category
Cost
Shop/Vendor Name
Photo Upload Option
Inventory is reduced automatically upon sale
c. Sales & Installments
On selling a product:
New Customer Profile is created
Entry is added to Sales Ledger and Day Book (as income)
Installment Plan includes:
Advance Payment
Remaining Amount
Number of Installments
System auto-creates a Customer Ledger
Each future payment:
Appears in Day Book (as income)
Updates Customer Ledger
Updates Payment Method Ledger (Cash, Bank, etc.)
The sale amount is also shown as a Customer Expense in Day Book to maintain balance
4. Customer Management
Each customer profile must include:
Full Name
Mobile Number
Complete Address
Profile Photo
CNIC (ID card) Image Upload
Additional Document Upload (up to 10 files – utility bill, form, etc.)
Guarantor Information:
Full Name
CNIC Number
Mobile Number
Address
Relation to customer
5. Ledger System
Built-in and custom ledgers:
Sales
Purchases
Inventory
Cash in Hand
Bank
JazzCash
EasyPaisa
Shop Expenses
Auto-created Customer Ledgers
Unlimited User-defined Custom Ledgers
Every ledger is linked to Day Book for real-time synchronization
Clickable Ledgers open detailed views with full history
6. Installment Due Tracking
The system must show:
Due Installments by Date
On Dashboard: List of customers with today’s or upcoming dues
Once payment is recorded, entry disappears from dues list
7. Receipts & Printing
Ability to generate and print:
Payment Receipts (advance, installments)
Sales Receipts
Full Customer Ledger
Day Book pages
Receipts should include customer name, product details, amount paid, and outstanding amount
8. Editing & Deletion
User should be able to:
Edit or Delete any:
Customer profile
Sale or Purchase entry
Day Book entry
Ledger entry
All changes should auto-update related modules (Day Book, Ledger, Inventory, etc.)
9. Dashboard Overview
Dashboard should display:
Total Cash in Hand
Sales Summary
Purchase Summary
Bank & Wallet Balances
List of Customers with Due Payments
Inventory Summary
Quick Access to:
Day Book
Ledgers
Inventory
Receipts
Installments
Customer List
This system will function as a complete Installment Business ERP – including financials, customer tracking, inventory, and daily cashflow – all with the convenience of cloud backup, offline availability, and rich customer data support.
1. Platform
Desktop-based offline computer software
Must support cloud backup/sync with:
Google Drive
TeraBox
Purpose: Secure daily data storage and remote access if needed.
2. Business Type
The software will manage an Installment-Based Business for:
Mobile Phones
Motorbikes
Electronics
Products are bought in bulk and sold on installments to individual customers.
3. Main Modules
a. Day Book (Daily Cash Ledger)
The central module where all income and expenses are recorded.
Auto-calculated Cash in Hand:
mathematica
Copy
Edit
Cash in Hand = Previous Cash in Hand + Today’s Income - Today’s Expenses
Today's closing balance becomes the next day's opening balance
Features:
Date Selector: Choose the entry date
Description Field: Mention purpose/details of the entry
Ledger Selection: Link the entry to an existing ledger
Create New Ledger option if it doesn’t exist
Clickable Ledger Name: Opens full ledger page
Mode of Payment Options:
Cash
JazzCash
EasyPaisa
Bank
Payment handling:
Cash → Added to Cash in Hand
Bank / JazzCash / EasyPaisa → Sent to their respective ledger
All entries will be fully synchronized across ledgers
b. Purchase & Inventory
When a product is purchased:
Added as an expense in Day Book
Entry is created in the Purchase Ledger
Product is automatically added to Inventory
Product Details include:
Name
Category
Cost
Shop/Vendor Name
Photo Upload Option
Inventory is reduced automatically upon sale
c. Sales & Installments
On selling a product:
New Customer Profile is created
Entry is added to Sales Ledger and Day Book (as income)
Installment Plan includes:
Advance Payment
Remaining Amount
Number of Installments
System auto-creates a Customer Ledger
Each future payment:
Appears in Day Book (as income)
Updates Customer Ledger
Updates Payment Method Ledger (Cash, Bank, etc.)
The sale amount is also shown as a Customer Expense in Day Book to maintain balance
4. Customer Management
Each customer profile must include:
Full Name
Mobile Number
Complete Address
Profile Photo
CNIC (ID card) Image Upload
Additional Document Upload (up to 10 files – utility bill, form, etc.)
Guarantor Information:
Full Name
CNIC Number
Mobile Number
Address
Relation to customer
5. Ledger System
Built-in and custom ledgers:
Sales
Purchases
Inventory
Cash in Hand
Bank
JazzCash
EasyPaisa
Shop Expenses
Auto-created Customer Ledgers
Unlimited User-defined Custom Ledgers
Every ledger is linked to Day Book for real-time synchronization
Clickable Ledgers open detailed views with full history
6. Installment Due Tracking
The system must show:
Due Installments by Date
On Dashboard: List of customers with today’s or upcoming dues
Once payment is recorded, entry disappears from dues list
7. Receipts & Printing
Ability to generate and print:
Payment Receipts (advance, installments)
Sales Receipts
Full Customer Ledger
Day Book pages
Receipts should include customer name, product details, amount paid, and outstanding amount
8. Editing & Deletion
User should be able to:
Edit or Delete any:
Customer profile
Sale or Purchase entry
Day Book entry
Ledger entry
All changes should auto-update related modules (Day Book, Ledger, Inventory, etc.)
9. Dashboard Overview
Dashboard should display:
Total Cash in Hand
Sales Summary
Purchase Summary
Bank & Wallet Balances
List of Customers with Due Payments
Inventory Summary
Quick Access to:
Day Book
Ledgers
Inventory
Receipts
Installments
Customer List
This system will function as a complete Installment Business ERP – including financials, customer tracking, inventory, and daily cashflow – all with the convenience of cloud backup, offline availability, and rich customer data support.