Start Your Online Buy Sell Business.

Online Buy Sell Software.

Effortless Storefront Administration & Management.


Gaining Insights Into Buy Sell Features


Online Appointment Booking

We offer multiple online booking management systems that will allow your clients to book a slot for any of the activities you provide without engaging another person to make the booking. It is all automatic and efficient.


Online Payment

Offer your customers all possible ranges of online payment options that are secure and safe. Also, allow the seller to receive the payment from the buyer in a hassle-free way with our system.


Click & Collect/BOPIS

Give your customers the option to purchase an item and collect it from the place and time of their convenience. No longer they have to wait at home or come to your place to get the item.


Inventory management

Forget about over-ordering, being understocked, or not knowing where the item is. With our inventory management, always be ready to supply your customers or give them the correct stock information.


Blog Integration

Keep your audience informed about all the latest trends and industry updates, and news with the easy-to-integrate blog application. The feature also helps you to have a higher ranking on the search engines.


Contactless Delivery

Whether it is a single item or quite a few, big or small, let your customer get the notification that the item is delivered and ready to be picked up while the seller does not have to get in physical contact with the buyer.


Readymade Buy Sell Apps For Seamless Delivery

Sell any readymade item and get a perfect buyer - offer a plethora of options to the purchaser to select from. Also, this is an app where both can enjoy a hassle-free delivery option.

Buy Sell Apps

Everything starts with the task

Launch an Interactive Readymade Buy Sell App .


How our app looks like

Some Exceptional Buy Sell Services

Create a hyper-local market application that offers local to global items at your customer’s doorstep or any place of their convenience with the option for sellers to sell their products without leaving their homes.

View On-Demand Delivery App Demo

We have worked closely with the on-demand delivery service industry and the customers to understand their requirements. We intend to empower both customers with their purchases and service providers with their delivery with our app. Hence we have built an app that enables the app administrator, i.e., user, admin, and driver, to manage the sections of the app dedicated to them as per their requirement.

We offer a demo of the app for the admin, user, and driver.

App Invision

The app is built by experienced designers and developers with a complete on-demand delivery suite with a scalable architecture and flexible features to warrant the best possible experience for the service provider, driver, and customer. Integrated with multiple payment gateways and a robust system to handle the volume of transactions and data, this is the on-demand delivery app solution for you.

Admin Panel

Get All The Data At One Place

Understanding the user’s needs is the way to boost your business. With our on-demand delivery app, you have all the data and analytic tools integrated and on your finger-tip on a single platform. Make an informed decision on what your customers need and follow your business's trends and strategies accordingly to improve your ROI.

UserName: findthat@gmail.com

Password: @@Admin123

Our Clients

What clients say about us


Pre-Integrated 3rd Party APIs

What Makes Buy Sell A Perfect Fit For Your Buy Sell Business

You already get a range of integrated features that will help you scale your business with us. Understand your business better with the analytics features and other metrics while offering the best services to your customers.

Android & iOS Buyer/Delivery Apps
12 Months Free Support
Free Installation
Totally Customizable
Easy to Setup & Manage
One-time fee, Lifetime License

Know more about Buy Sell


Find Solution according to your Business need

CQLsys mobile app developers have delivered effective mobile applications for an assorted range of use cases.

Start Your online Business today to cash in on the billion dollar global Buy Sell market