One Time Payment. Lifetime Use. No recurring software fees.Learn more →

PharmaOS by Arjunaa Technologies

Offline Pharmacy Billing Software — One Payment, Lifetime Use

PharmaOS is a complete offline pharmacy management solution that simplifies daily operations — billing, medicine inventory, batch and expiry tracking, purchases, GST reports, printing and more. Pay $100 once, download, activate and use it for life.

$100one-time payment

Buy the PharmaOS licence once and use it for life. The setup file is shared after payment confirmation, along with your licence key — the software runs only after activation. No monthly fees, no renewals, no hidden charges.

Works offline No hidden charges Made for pharmacy PCs

Download unlocks after payment. Contact us to purchase and receive your setup file and licence key.

Buy & Get Licence Key

Key Features

Complete pharmacy management in one offline application

From counter billing to expiry alerts and GST reports, PharmaOS handles the everyday work of a medical store or pharmacy.

Easy Billing (New Sale)

Fast medicine billing and invoice generation, built for busy pharmacy counters where every second matters.

Inventory Management

Track medicines, batches, stock levels and expiry dates so you always know what is on your shelves.

Purchase Management

Manage medicine purchases and supplier records in one place, without maintaining separate paper registers.

Expiry Alerts

Identify medicines nearing expiry before they become a loss, and plan returns or priority sales in time.

GST Reports

Generate sales and GST reports with a clear CGST/SGST breakdown for accurate records and easier filing.

Customer & Supplier Management

Maintain customer details and supplier records so every relationship and transaction stays organised.

Thermal & A4 Printing

Print pharmacy invoices in supported formats — thermal receipts for the counter or A4 invoices for records.

Expense & Cash Management

Track business expenses and cash transactions so your daily accounts stay clear and balanced.

Dashboard

View sales, bills, low-stock items and near-expiry medicines at a glance when you start your day.

Backup & Restore

Back up and restore your local pharmacy data so years of records stay safe and recoverable.

User Roles & Security

Manage staff access with role-based permissions so every team member sees only what they need.

Offline Desktop Software

Work locally on your pharmacy computer without depending on continuous internet access.

Why PharmaOS

Simplify daily pharmacy operations

PharmaOS is designed to simplify daily pharmacy operations — so you spend less time on paperwork and more time serving customers.

  • Simplify daily counter billing with fast, accurate invoices
  • Organise medicine inventory with batch and stock tracking
  • Monitor expiry dates and reduce silent losses from expired stock
  • Manage billing, purchases, expenses and reports from one application

WhatsApp Inquiry

Have Questions About PharmaOS?

Ask about the licence, GST billing setup, stock migration or installation on your pharmacy computer — message us on WhatsApp and get a direct answer from our team.

How It Works

Pay once, download, use for life

1. Pay $100 one time

Make one payment for the PharmaOS licence. There are no monthly subscriptions or hidden recurring charges.

2. Download PharmaOS

After payment confirmation, you receive the offline software setup for your pharmacy computer together with your licence key.

3. Activate and use for life

Activate PharmaOS using the supplied key, then continue using the licensed software without renewal fees.

PharmaOS uses licence-key activation. The software is installed on your pharmacy computer and stays locked until a valid key is entered. Your pharmacy records remain available locally for offline work, with backup and restore built in.

PharmaOS FAQs

Questions from pharmacy owners

What is PharmaOS?

PharmaOS is a complete offline pharmacy management software by Arjunaa Technologies. It covers billing, medicine inventory, batch and expiry tracking, purchases, GST reports, customer and supplier records, printing, expenses, backups and staff roles — all in one desktop application.

How much does PharmaOS cost?

PharmaOS costs $100 as a one-time payment. After purchasing the licence, there are no monthly subscription fees or hidden recurring charges — one payment, lifetime use.

Can I download PharmaOS for free?

No. The PharmaOS setup file is shared only after the one-time licence payment. Once your payment is confirmed, you receive the download along with your licence key, and the software does not run without activation.

Does PharmaOS work without internet?

Yes. PharmaOS is installed on your pharmacy computer and works offline, so billing, stock management and reports continue without an internet connection.

Does PharmaOS support GST billing?

Yes. PharmaOS generates sales and GST reports with a CGST/SGST breakdown, making it suitable for GST-registered medical stores and pharmacies in India.

Can PharmaOS track medicine batches and expiry dates?

Yes. You can record medicine batch numbers and expiry dates, and the dashboard plus expiry alerts help you identify near-expiry products before they become a loss.

Can I print bills on a thermal printer?

Yes. PharmaOS supports thermal receipt printing for the counter as well as A4 invoice printing for detailed records.

Can I see PharmaOS before buying?

Yes. Request a free guided demo on WhatsApp or by phone to see the billing, inventory and reporting workflows before purchasing.

Running a Pharmacy? Let PharmaOS Simplify Your Billing.

Tell us what you want to build and let's turn your business requirements into a practical digital solution.