The app comes with handy features that allow you to send messages to all your contacts simultaneously without going through various processes. With it, you can easily reach your target audience in a few simple steps. Overall, WhatSender is a good marketing tool. To get all of its functions, users must pay for the full app. However, not all features are available in the free trial version. Moreover, it lets you schedule the sending or set it to a delay. You can even send messages to contacts even if they are not in your address book. You can also import your contacts either manually or from a file-CSV or TXT. It also automatically creates multiple variations of the message to avoid spam and ban. Not only that, but it also allows you to create and send customized messages, with the name of the recipient, directly from your PC. As mentioned, it provides the users a tool to send messages to all the members of their contacts list in one click. WhatSender is a desktop client that intends to solve this. However, the official apps for desktop or browser come with limitations when sending massive messages. Moreover, the messages you send are easier to read, unlike emails. With it, you can easily reach many different users. Due to the number of its users, many companies use this app as a marketing tool. Over the years, WhatsApp has been one of the most used messaging apps in the market.