Original Whatsapp Marketing Software


Windows Desktop SMS & WhatsApp Marketing Software available with
complete source code and unlimited PC license.

Whatso is the only bulk whatsapp sender with Anti-Blocking feature for fast message sending.

Get the most Powerful Bulk Whatsapp Sender

Get power of bulk WhatsApp Sender and SMS Marketing in a single software. Our software is used by 25,000+ businesses. The latest version of our software is released on: April 26, 2021.

Whatso software

Although there are more than 100 similar bulk WhatsApp sender software's available in the market, none of them have been able to keep pace with us by providing regular free updates to make the whatsapp bulk messaging software work.

our unlimited PC license

Whatso is the highest-selling bulk WhatsApp software in India and across the world. With our unlimited PC license, you can use Whatso on any number of PC for your own use.

Complete unencrypted source code for WhatsApp marketing software

Complete unencrypted source code for WhatsApp marketing software is available. The source code is written in simple to understand architecture with VB.NET programming language and uses Selenium in Chrome to automate.

How Whatsapp Marketing Tool Works?


Import Phone Numbers

Import numbers from any of your existing file such as Excel. You can even copy-paste numbers.


Create Message

Type your message in the message box which you want to send for bulk WhatsApp marketing.


Send Message

Click on "Send" to "bulk WhatsApp" your message to the numbers your selected.

WhatsApp Marketing Software Features

Send 1000's Of Messages

Blast messages to all contacts including contacts not saved in your address book.

Custom Messages

Send custom messages with greetings such as receiver's name.

Import Multiple Contacts

Import all contact details from CSV, TXT files or by copying and pasting.

Advanced Features

Grab Contacts from Whatsapp Groups, Sending Log, Scheduled Sending & Numbers Filter.

Supports All Multimedia Formats

Shoot your messages in any format such as text, images, videos, audios and vCard files.

Windows Support

OS Supported: Windows 10 (32 & 64 bit), Windows 8/7/Vista & XP.

"Marketing is not about the stuff you make,
It is about the stories you tell;
Use Whatso to tell your business story &,
drive engagement to your content and business."

Our Stats

We are embracing transparency and openness by sharing our metrics with everyone.

Latest released version

April 26, 2021




100+ Million

Few more reasons to buy bulk whatsapp software...

Send Announcements, News & Updates

Easily send announcements, promotions, news and updates with your audience.

Build Engagement & Relationship

Create engagement with your users by sending personalized messages and build a lifetime relationship with them.

WhatsApp Marketing Software Pricing Plans


  • Software is valid for a year only on a single PC with this plan.
  • Yearly Renewal
  • 1000 Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
  • +More (Visit Pricing)


  • Software is valid for lifetime on a single PC with this plan.
  • Lifetime Validity
  • Unlimited Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
  • +More (Visit Pricing)


    Software is valid for lifetime on multiple PC with this plan.
  • Unlimited PC Lifetime License
  • Unlimited Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
  • +More (Visit Pricing)

Source-Code, Reselling, & White Label Plan

Are you looking to resell the Whatso software? We have total 2 pricing plans for people interested in getting the source code and reselling it.

You can start your own business or increase your revenue by reselling our Whitel Label plans.

Source-Code Plan

With the source-code plan, this 2 in 1, Whatsapp bulk messaging  & SMS marketing software is provided with complete source code. You will get full unencrypted soure-code as well as unlimited reselling rights. You can use Whatso software on unlimited number of PC's too. You have to modify the code if you want to resell by any other name or logo.

White-Label Software Plan

Whatso is available with White-Label Plan in which we remove our brand logo and name and replace it with your company name and logo. You can upload your logo, name, and other details online and the software shall be made available to you immediately for you to resell it to your customers and start your own business.


  • Note: This whatsapp sender software pricing plan is valid for lifetime on multiple PC. You get source code & resell rights to earn money.
  • Whatso Full Source Code
  • Unlimited PC & Reselling License
  • WhatsApp Marketing Software
  • SMS Marketing Software
  • +More (Visit Pricing)


  • Note: This pricing plan is valid for lifetime on multiple PC. Upload your logo and name to modify the software & resell Whatso with your company name immediately.
  • Whatso Source Code & White Label
  • Unlimited PC & Reselling License
  • WhatsApp Marketing Software
  • SMS Marketing Software
  • +More (Visit Pricing)

How to Use WhatsApp bulk marketing software?

whatso brand

How to import numbers?

import number Whatso software

How to Send WhatsApp Messages?

send a message Whatso software

How to import multiple column?

send a message Whatso software



Janet Kenny

Restaurant Owner

I love the way Whatso supports and sends Whatsapp messages in a systematic manner. We capture mobile numbers, birthday's & anniversaries of our customers using a form & Whatso allows us to easily import numbers & send customized messages to all of them. This has actually helped improve our business by almost 20-25%.


Brian Wilson

Real Estate

Whatso has tremendously reduced our stationary and marketing cost. We now send all our layouts, promotional materials & brochures to potential customers via Whatso only. The cost of Whatso for us was recovered on the first day itself. This has become one of the most used software for us.


Sachin Padhiar

Health & Beauty Store

Initially I was sceptical about the usage of this tool. But after using it, I realized that the engagement level in Whatsapp is far higher than Email and even SMS. This tool has really helped our business and that is why I have purchased 8 licenses for it.


Jesse Pardoe

Fashion Boutique

Before Whatso, Email was the only way for us to showcase our new fashion catalogue to our customers. With Whatso, we now send our newest collections to almost 400-500 users everyday. This has become our best lead generation tool.

Our Bulk WhatsApp Sender Software Supports Multiple Languages such as English, Arabic, Spanish, French & Portuguese.

What is WhatsApp Marketing Software?

Whatso is one of the most user-friendly Whatsapp marketing tools that allows you to send bulk messages to potential clients. The tool also gives an option to attach images, videos, PDF, along with text messages. 

WhatsApp Messenger doesn’t support sending unsolicited messages. So it is wise to be creative and use ethical methods of advertising to reach out to your consumer base. One such method is using software that uses the WhatsApp Web and automates it through a browser just like how Whatso does.

This software allows businesses to communicate with their customers easily and in a cost-effective manner. WhatsApp Marketing Software pricing starts at $20 or Rs. 1000. This ensures that the Return on Investment is achieved in a month. We offer a free trial,  You can try out the free version.

Whatso WhatsApp Marketing Software

We all know WhatsApp and its potential. With a billion-plus user's it is the most powerful tool for communication. It’s time to harness it with WhatsApp’s new software called Whatso, the best WhatsApp & SMS bulk software tool in the market. Whatso allows their users to conduct successful marketing campaigns and breed good results for a long time with a vision of high return on investment. This WhatsApp tool is more of a blessing in disguise for business owners and allows them to march towards their goals at just a “SEND” of their fingers. Quite figurative, eh??

Anti Blocking algorithm for seamless bulk messaging

There are few things more disturbing than the prospect of being blocked. With our software, the main advantage is that the system of advanced anti-blocking drastically reduces your chances of being blocked. It should be noted in this context that this technical feature helps in reaching out to the inbox of your consumers. The success and chances of being blocked depend a lot on the kind of content that you are sending.

WhatsApp Marketing Software FAQ


What is bulk WhatsApp Sender?


Broadcasting messages but not getting any results? It’s time to make a switch to Whatso. This WhatsApp broadcast software has its ways to make your messages reach your targeted audience at the right place and time while bringing in the desired results and growth you wish to achieve in your business.

Whatso is a bulk sending tool to help you automate your marketing. It helps you in quickly sending messages to a large number of users. These messages are send one-to-one which means that your messages are guaranteed to be delivered unlike sending via Broadcast. The functionality is achieved with the help of automating the Web.WhatsApp.com platform.

How does WhatsApp price work?

WhatsApp, as well as WhatsApp business mobile applications, are available free of cost. However, this application doesn't help you in automating your marketing needs and here is where Whatso bridges the gap. If you are wondering what is WhatsApp price you have to pay, head over to this link. We have curated the best possible solution to accommodate your needs to give you the best results and much more. We at Whatso focus on giving our clients the best user experience they could ever ask for and hence, have successfully built a trustworthy relationship with them over time through our tools and other marketing WhatsApp channels.

Our service and quality speak for us. Whatso is the best WhatsApp tool and WhatsApp channel available in the market and we have proven our results in time and again. Our customers are here to stay and we hope you don’t flinch an eye to onboard our services right from the bat of the field.

Why do you wish to opt for paid services when Whatso; WhatsApps free marketing software offers everything you need at absolutely no cost? If you are result-driven and wish to grow your business tenfold, then this is the right choice for you to make and we suggest you make it now.

Amongst the latest WhatsApp marketing software that is driving businesses towards their goals and helping them skyrocket in this pandemic time is none other than Whatso, WhatsApps free marketing software. Right from gaining trust to delivering results, we ace every opportunity that comes our way to make you want more.

How does WhatsApp marketing work?

This tool works by automating the Chrome Browser with a tool called Selenium. It uses a software programming language called VB.NET for importing a database of your clients. These numbers are fed to the Selenium automation tool and it automates the sending of the messages. The best way to see how it works is through the free download available on the website.

How is WhatsApp Marketing Software different from sending to a broadcast list or a group on WhatsApp?  How can I do WhatsApp marketing?


With the WhatsApp app, there are two official ways to do mass message sending. 1) WhatsApp Broadcasting, 2) WhatsApp Group.

Feature WhatsApp Broadcast WhatsApp Group Whatso Sender
Total number of users you can send a message to Unlimited Only up to 256 Unlimited
Can users see each other's number?  No. Privacy is maintained. Yes. Privacy is not maintained. No user cannot see each other's number. Privacy is maintained.
Should Receiver have your number stored in their phone? Yes No No. You can send it to even people who have not stored your number.
Can you automate the Sending process? No. Manually typing. No Yes. The software does the typing work


Is WhatsApp marketing legal? Is WhatsApp marketing legal in India?

Sending bulk messages via WhatsApp is not illegal - in fact, it is the only use-case of WhatsApp. However, sending spam messages to an unknown recipient is not allowed. WhatsApp can possibly block the account from which the messages are sent.

Can we use WhatsApp for marketing?

Yes, you can use it for marketing subject to certain conditions like not sending a single message to a user more than once a day. You should use it sparingly unlike SMS or Email marketing as it is high as the engagement rate. Across the world, many companies are using it for promotions and marketing. In-fact, restaurants, events, and fashion shops are using it in a huge manner to drive revenue for their business.

Which software is used for WhatsApp Marketing?

There are many software available in the market for WhatsApp marketing. However, the problem with most of them is that they are not regularly updated. As a result, they stop working after some time when WhatsApp updates its app. Whatso on the other hand provides software that is regularly updated and hence it is the only recommended software to buy.

How many WhatsApp messages can I send per day?

There is a limit to the number of messages you can send. The daily limit is based on which tier your account lies in. Most of the accounts are in Tier 1 which allows your company to send messages to 1K customers per day. Your account updates automatically to tier 2 once you start sending messages regularly and after that, you are allowed to send messages to an even larger number of users.

How much does WhatsApp business cost? Is WhatsApp business free to use?

WhatsApp Business is absolutely free to use and was specifically build for small and medium businesses to communicate with their customers. For businesses, it's a wonderful app to personally connect with customers & solve their grievances if any. It can also be used to highlight the products and services along with answering their questions.

What is the limit for WhatsApp messages?

No limit for the message content. You can send any message in any format you wish to.

What are the disadvantages of the WhatsApp marketing tool?

It becomes a little cumbersome to update the marketing software regularly because WhatsApp does not provide API access to build the software. So, the major disadvantage is logging to the Whatso website and download the latest version of the software.

Is WhatsApp marketing tool free to use?

Yes, sending bulk messages via WhatsApp is absolutely free via Whatso. You don't need to pay anything extra for it and only you need to pay for software once.

Can we send bulk messages from WhatsApp marketing tool? How can I send bulk WhatsApp messages without getting banned?

Instead of sending bulk messages, you should try to send genuine messages to users that can help you in increasing your revenue. Because the tool can be easily customized as per the needs of the user.

how can I send 1000 messages on WhatsApp?

Sending 1000's messages is very easy via bulk WhatsApp sender. You can simply import the numbers to the software and start sending it to them. You can even customize their first and last name with variable settings in the software.

Is bulk WhatsApp legal?

Sending bulk messages via WhatsApp is not legal as per WhatsApp and your account may get banned from using it. Hence you should use it properly and send it very carefully.

How to send bulk WhatsApp messages from PC free? 

You can send messages directly from a PC. This software is available for Windows 10 and you can use it on your desktop or laptop. Send bulk messages without any credit limit.

what is WhatsApp sender pro? 

WhatsApp sender pro was the original manufacturer of the WhatsApp marketing software. Later on, Whatso formed a different fork of it and started a separate business.