Original WhatsApp Marketing Software


Windows Desktop SMS & Bulk WhatsApp Sender available with
complete source code, reselling, and unlimited PC license.

Whatso is the only bulk WhatsApp sender with anti-blocking settings for fast message sending.

What is WhatsApp Marketing Software?

WhatsApp Marketing Software by Whatso is a bulk sending tool that allows you to automatically send bulk WhatsApp messages to thousands of customers. Whatso is one of the most user-friendly WhatsApp marketing tools that allows you to send bulk messages with attached images, documents, and PDF & more by the help of bulk whatsapp software to potential clients.

WhatsApp Marketing Software Pricing starts at $29 or Rs. 2000. This ensures that the Return on Investment is achieved in a month. Try out the Free Download to see all the functionalities before purchase.

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 40,000+ businesses. The latest version of our software is released on: Nov 29, 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

Thinking how to send 1000's of WhatsApp messages? Blast WhatsApp messages to all contacts including contacts not saved in your address book with a click.

Custom Messages

Send custom messages with greetings such as receiver's name. Our latest importing functionality provides upto 15 custom fields for you to send customized messages.

Import Multiple Contacts

Import all contact details from Excel, CSV, TXT files or by copying and pasting. Check out our sample file to be imported in software.

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.

Our Stats

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

Latest released version

Nov 29, 2021




120+ Million

WhatsApp Marketing Software Pricing


Software is valid for a year only on a single PC with this plan.

  • Yearly Renewal
  • 1000 Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
Visit Pricing to see more


Software is valid for lifetime on a single PC with this plan.

  • Single PC - Lifetime License
  • Unlimited Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
Visit Pricing to see more
Popular plan


Software is valid for lifetime on multiple PC with this plan.

  • 50 PC Lifetime Plan
  • Unlimited Messages / Day
  • WhatsApp Marketing
  • SMS Marketing Software
Visit Pricing to see more


Note: This pricing plan is valid for lifetime on multiple PC. Upload your logo and name online to modify the software & resell Whatso with your company name immediately.

Visit Pricing to see more
Most Popular Plan


Note: An amazing deal through which you get complete whatso website, software, source code, website hosting self hosting, and reselling rights.

Visit Pricing to see more


Note: An amazing deal through which you get complete whatso website, software, source code, website hosting, and reselling rights.

  • Everything of White-Label With Website(Zip File) plan
  • Unlimited PC & Reselling License
  • WordPress-WooCommerce Website (Hosting Provided)[Demo]
  • Lifetime free Hosting
Visit Pricing to see more

Bulk WhatsApp Sender Video Tutorials

Comparison between different Plans of Whatso

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

Knowledge Base

Looking for inspiration to send messages?

Checkout our list of message templates that you can use to share with your customers and improve your revenue.

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

WhatsApp Marketing Software Information

The number of messages you can send depends on how old your WhatsApp account is. If you have a new number, start by sending a small number of messages like 50 per day. Gradually increase it by around 5-10% every day and within a month you can reach up to 3000-4000 messages. WhatsApp will ban your number if you send too many spam messages. This happens if a large number of people report you as spam. So always ensure that you don't spend spam especially from a new number.

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.

WhatsApp Bulk Sender helps send text messages along with images, videos, sound and pictures. Promoting your business is important as most other organizations depend on WhatsApp to promote their products. So it is necessary to keep pace with the times and utilize WhatsApp Bulk Sender as a marketing tool.

Easily share promotional plans, business addresses, and information about re-launched products. It is also possible to send business cards, real-time coupons and audio information.

Whatso has a list of settings that can help to send a large number of messages without getting your account blocked.

1: With Whatso, you can send multiple variants of messages in single time. For example, if you are sending messages to 1000+ numbers, you can create around 5-10 different variants of messages so that your messages remain different.

2: Whatso allows you to import files with almost 15 variables that can help you to even further distinguish each of your messages. For example, you can import a file with a name & number and use the name to make each message unique.

3: We provide settings like the time between messages and other advanced settings that prevent your account from getting blocked.

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.

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.

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.

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.

Businesses are required to employ various marketing strategies to reach target audiences through many online and OOH media platforms. One of the most efficient online marketing strategies is through a well-equipped WhatsApp Marketing software. Open source and free bulk WhatsApp sender solutions are available in abundance today, making it easy for small businesses to tap into the WhatsApp consumer base while also ensuring compliance. Due to low to no charges for these bulk WhatsApp sender tools, small businesses just beginning their entrepreneurial journey can increase their visibility.

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

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

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.

Tips & Tricks

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.

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.

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.

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.

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. 

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.

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.

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.

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 are you waiting for?