11 Top Free Group Communication Apps for 2021

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In today’s fast-paced world, effective communication has become more crucial than ever, particularly for businesses and organizations striving for success. With an increasingly remote workforce and the need for seamless collaboration, group communication apps have emerged as indispensable tools.

As we embrace 2021, staying connected and productive is no longer a luxury but a necessity. To support our readers in their quest for smooth and efficient communication, we have compiled a list of the 11 top free group communication apps for 2021. This blog post will provide an overview of the best available options, ensuring your team’s communication game remains on point. So, get ready to explore these amazing tools and learn how they can enhance your group communication without taking a toll on your budget.

Top Free Group Communication Apps for 2021

1. Slack

Slack is a highly acclaimed group communication application known for its easy-to-use interface and robust features. It allows users to create different channels for different topics, making it easy to organize conversations. Channels can be public or private, and users can easily share files via direct upload.

Private messaging ensures focused one-on-one or small group discussions within the platform. Extensive integration capabilities with tools like Trello, Asana, and GitHub enhance collaboration, and custom integrations through Slack’s API address unique team needs.


2. Microsoft Teams

Microsoft Teams is a versatile platform designed for seamless collaboration within organizations and educational institutions. It offers team chat, video conferencing, file sharing, and tight integration with Microsoft products. In addition, its chat functionality enables the exchange of text, images, and video in organized channels that promote threaded conversations.

High-quality video conferencing supports screen sharing, background blurring, and real-time captioning to enhance online meetings. Microsoft Teams excels at file sharing, supporting multiple formats and enabling real-time co-authoring.

Microsoft Teams

3. WhatsApp

WhatsApp is a globally popular mobile messaging app known for its easy-to-use interface, available on both Android and iOS. It offers features such as group chats, voice messaging and video calling, making it a cost-effective communication solution. The app’s group chat feature encourages collaboration by allowing users to create and manage chat groups.

Voice messages are convenient for quick communication when text messaging is not possible. On the other hand, high-quality video calls are beneficial for remote work, ensuring effective collaboration between team members around the world. WhatsApp also prioritizes user privacy with end-to-end encryption, ensuring secure and private communications.


4. Google Meet

Google Meet is an intuitive video conferencing application for teams, organizations, and individuals. It supports a wide range of devices, ensuring accessibility from multiple locations. The app’s integration with Google services like Calendar and Drive makes it easy to schedule meetings and collaborate on documents in real time, increasing productivity.

Google Meet offers a free tier with unlimited meetings for up to 100 participants, and premium plans are available for businesses with advanced features and security options, making it versatile for different user needs.

Google meet

5. Telegram

Telegram is a renowned messaging app celebrated for its strong emphasis on security, privacy and fast message delivery. It offers the unique ability to create group chats with up to 200,000 members, making it suitable for both small circles and large networks.

Most importantly, Telegram facilitates the sharing of various file types, including documents, images, videos, and massive files up to 2 GB in size, making it an excellent choice for collaborative work. It also supports voice messaging to ensure that no part of the conversation is lost. Telegram uses end-to-end encryption for secret chats and offers a self-destruct timer for added security.


6. Discord

Originally designed for gamers, Discord has evolved into a versatile communication platform for various communities. It accommodates different communication preferences with voice, video and text-based conversations, increasing engagement. Discord’s screen-sharing feature simplifies collaboration, while its organized structure of servers and channels streamlines discussions within dedicated communities.

Users can create public or private channels, providing control and privacy as needed. Beyond its gaming roots, Discord has become a popular virtual space for friends, colleagues and interest groups to interact, collaborate and socialize in real time.


7. Zoom

Zoom is a popular video conferencing application known for its easy-to-use interface and versatile features. It offers a free plan for individuals and small teams that can accommodate up to 100 participants in group video calls.

Zoom prioritizes audio and video quality, allowing users to switch to audio-only mode when needed. In addition, its screen sharing feature enhances collaboration during presentations, demonstrations, and meetings.


8. Mattermost

Mattermost, an open source team messaging app, emulates features similar to Slack, promoting seamless communication and collaboration within organizations. Notable features include direct messaging, group channels, and file sharing in an easy-to-use interface.

Mattermost stands out for its focus on privacy and security, as it allows organizations to self-host their communication platform while maintaining control over sensitive information. Its open source nature ensures continuous improvement and adaptability, making it a reliable choice for organizations seeking efficiency and privacy.


9. Skype

Skype is a widely recognized and popular communications application that provides high-quality voice and video calls, including group video calls. It also supports instant messaging for real-time conversations.

Skype’s appeal lies in its affordability, as most core features are free, making it a cost-effective alternative for international communication. It’s compatible with multiple platforms, available on desktop and mobile devices, giving users versatility.


10. Chanty

Chanty is a versatile team collaboration platform designed to increase efficiency through integrated messaging, file sharing and task management. The free version supports up to 10 team members, making it ideal for small groups and startups on a budget.

Chanty’s all-in-one solution centralizes communication and collaboration tools, streamlining workflows and reducing distractions. It provides voice messaging, video calling, and screen sharing for real-time discussions and interactive collaboration. In addition, Chanty simplifies file sharing and integrates with services such as Google Drive and Dropbox for seamless collaboration from external sources.


11. Flock

Flock is a versatile communication app for businesses and teams, offering features like dedicated group channels, private messaging, conference calling and file sharing to increase productivity.

Its free plan supports unlimited users, making it suitable for businesses of all sizes. Users can connect seamlessly across desktop and mobile devices, and Flock offers additional features such as video conferencing and integrations with popular services like Google Drive, Trello, and GitHub. By centralizing communication, Flock aims to improve teamwork, streamline processes, and eliminate the inefficiencies associated with traditional communication methods.



In conclusion, the digital landscape in 2021 offers a plethora of free group communication apps to enhance collaboration, productivity, and connectivity among teams. These 11 top group communication apps, ranging from tried-and-true platforms like Slack and Skype to newer options like Flock and Twist, cater to a variety of needs and preferences. As remote work and digital collaboration continue to evolve, it is more crucial than ever before to choose the right communication tools to ensure seamless workflows, keep team members engaged, and maintain effective communication channels.

We recommend examining the unique features and advantages of each tool to determine which might best suit your team’s needs and work style, and take advantage of free trials or free plans to test out potential options. Ultimately, investing time in selecting the right communication app can pay off in increased productivity, better collaboration, and overall team satisfaction.


Some popular free group communication apps include WhatsApp, Slack, Skype, Google Hangouts, and Zoom.

Do free group communication apps offer end-to-end encryption?

Many free group communication apps, like WhatsApp and Signal, offer end-to-end encryption for messages and calls, ensuring privacy and security of communication. However, it is important to verify each app’s security features.

Can I use free group communication apps on multiple devices?

Most free group communication apps support cross-platform usage, meaning you can access them on multiple devices such as smartphones, tablets, and computers, provided you have the app installed and are logged into your account.

Is there a limit to the number of participants in a group chat or conference call?

The participant limit varies for different free group communication apps. Some apps like WhatsApp allow up to 256 members in a group chat, while video conferencing apps like Zoom have a limit of 100 participants in their free version.

Are there any additional features apart from messaging and calling in free group communication apps?

Yes, many free group communication apps come with additional features like file sharing, screen sharing, project management, and scheduling tools. It is essential to explore each app’s capabilities to find the one that best suits your needs.


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