In this era of technological advancement, there are numerous instant messaging apps that companies can choose from. Though these messaging apps are primarily meant for chatting purposes, you can also send emails, share files and make voice calls. Most of the instant messaging apps can be installed on your personal computer or smartphone regardless of the its operating system like Windows, Android or iOS operating systems. All these apps can be either accessed online through website or you can download the respective app in your smartphone. However, it should be noted that all these instant messaging apps have different functionalities and features catering to various business users. 

Here are 15 of the best instant messaging apps for PC and smartphones. 

1. Clariti

Clariti is a relatively new instant messaging app that has been gaining in popularity among small businesses and the startup community especially in the technology and media markets. A key reason for its success has been its ability to address issues that other long-standing tools like Slack and Teams have perpetuated with their chat-focused communication paradigm. Clariti, one of the most popular messaging apps, goes well beyond just simple instant messaging and instead brings your chats, emails, call, to-dos, documents…in one app and automatically links related items in a “TopicFolder”. TopicFolder add topic-centric organization to your communications, so you are never lost or waste time searching for information. 

2. Slack

Slack is one of the most popular messaging apps. The platform offers a robust set of features and options. It integrates with other office tools and allows for advanced customization. 

Zoho Cliq’s intuitive messaging app allows you to view multiple chats at a time and even search messages to find what you’re looking for. Voice and video calls are just a tap away. Command shortcuts and custom-built bots help automate tasks. 

Glip allows businesses to create message threads for internal and external groups, so everyone’s on the same page. Other features, like built-in task management, app integration and screen sharing, allow teams to get work done faster. 

Microsoft Teams messaging allows you to message in a group or one-on-one, video chat, share screens and more. With teams, you can use your favorite apps, use rich text to customize messages and tag people for instant notification. 

Facebook Messenger for Business can be used to connect directly with customers to answer questions, address concerns and make it easy to for them to place orders. Messenger has more than 1.3 billion users across the world. 

7. Twist

Twist organizes all team communication in one central location. Team conversations can be grouped by channels that can be public or private, and messages can be sent without interfering with thread discussions. 

8. Flock

Flock channels streamline team communication, eliminate clutter and make it easy to stay on track. Enhanced video conferencing features allow you to share your screen from any device, and teams can share files effortlessly. 

Hangouts Chat is free to use and compatible with all devices. All you need is a Google account. It’s a quick and easy way to communicate with your contacts either through text or video calls. 

10. Ryver

With unlimited topis, chat, file sharing and conversation searching, Ryver streamlines team communication without restrictions. Messages can easily be transformed into tasks, and voice and video calls are being added. 

Semaphor offers secure group messaging and file sharing with blockchain encryption. Teams can communicate sensitive data without worry, and the mobile-first design makes the app snappy and user-friendly. 

Troop Messenger is a robust platform with a rich set of messaging features. Along with instant messaging, it also offers video calling, audio messaging, audio calls, screen sharing, forkout, remote desktop control and more. 

13. Brosix

Brosix is an encrypted messaging service that ensures secure communication between team members. Users can create chat rooms, make audio calls and join video calls with the tap of a button. 

14. Spike

Spike helps teams stay connected through group chat, conversational email and more. The app is designed to remove distractions from your inbox and chat, so you can stay focused on the task ahead. 

Cisco WebEx allows you to communicate and collaborate securely with anyone. The platform offers instant messaging, video, audio and integrated web conferencing. 


We hope the above 15 instant messaging apps list will make it easy for teams to stay on the same page and even communicate with customers. Some instant messaging apps for business offer free trials and can integrate into other apps you might already be using. All instant messaging platforms have something unique to offer. But while choosing one, it’s important to determine what works best for you and your organization. Just because one app has a cool feature, does not necessarily make it a great fit if you have no use for it. There is no one-size-fits-all solution. So, make sure you’re choosing the app that fits you best! 


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