Free GST Billing software for all businesses.

Retail  |   Trading   |   Restaurant   |    Distribution

We've Got it all Covered.

Always Keep a check on Bills with our Android App.

What we do

We Enable Small Businesses to provide Brand like Experience to their Clients.

Be GST Ready

Create beautiful GST Ready Invoices / Bills / Quotations / Pro-forma Invoices / Delivery note and Impress your clients with Professionalism.

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Manage Inventory Easily

From Stock to Inventory Management, From Client to Staff Management and from Sale to Purchase Management, We've got it all Covered. Amazingly, you don't need to pay anything extra for these awesome services.

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Android APP for all

We know today's businessman is busy and constantly traveling, whether its meetings or some time alone with family. That's why all our software comes with an android app which gives you the details of all the bills and purchases.

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Don't just take our word for it

Every company loves to boast about their products and services. But it's not about what the company says about their product or services, but what the client or the end consumer feels. Our Software is trusted by 50,000 Happy Clients and we have unlimited testimonials to share.

“After trying all the big names in the market and wasting a lot of money, my search ended when my friend suggested One-O-One Software. I've been using it for past 11 months now and I must say these guys are really dedicated and know what they're doing. Software is really easy to use and post-sale support is simply a call away and the Android app let me be updated about my business even on the go”

Ankita, Owner, TCB Express Salon

Our Customer Life Cycle in General

Start your exciting journey with us by downloading our free software. We give weekly updates to our Non Paying clients also. You can use the software as long as you want but there's a limitation to number or invoices you can generate and the number of products that you can add. 

You can start using the software, get a good hold of that and when you're certain that you like our product, you can move to step number 2.

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Once you've used our product and services and are certain that this is what you want, you can always opt for the Paid version which will give you access to many other privileged features which is only available to One-O-One Family.

Your data in the free version will be safe when you move to the paid version with us.

Don't worry about the pricing, Trust us, it's the cheapest in the market.

Once you have the full version serial key, you'll be included in the One-O-One Family where you'll be having luxuries like priority support, dedicated account manager, Android App and many more. We take care of our business and you take care of your Clients.

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Our results speak for themselves

We take real proud in all of our work, whether it is our software product or the post-sale support services. We are really appreciative of the fact that we have a 98.5% conversion rate which translates to a consumer using our free software is 98.5% bound to sign up for our paid tools.

“I started using One-O-One services as it was free and there was no investment involved what so ever. Plus I was really in a need of a GST billing and Inventory software at that time. I thought of giving it a try. And Man, I must say, I was really impressed by the simplicity and feature-rich software that I got. Now my billing process and inventory management are done without my involvement. I now focus on scaling my business to new regions and clients.”

Amit Singh, CEO, Amit Traders.

Choose the Software According to your needs


Retail | Saloon | Healthcare | Restaurant | Distribution