⚡ Instant Messaging Apps in the Czech Republic

Instant messaging apps allow users to communicate in real time via text, voice, and video, often with group chats, file sharing, and end-to-end encryption.

The Czech Republic is a Central European country with a population of around 10.5 million people.

According to our statistics, instant messaging apps are detected on 1.7% of websites from the Czech Republic.

⭐ Most Popular in 2026

The following chart shows the top instant messaging apps on websites in the Czech Republic in 2026, based on market share.

The most popular is Messenger with an impressive share of 32.5%, followed by WhatsApp with 29.8% and Discord with 21.6%.

Messenger 32.5%
WhatsApp 29.8%
Discord 21.6%
Telegram 19.3%
Viber 1.6%
Slack 1.4%
Zoom 1%
Microsoft Teams 0.5%
Matrix 0.5%
IRC 0.5%
Rocket.Chat 0.3%
WeChat 0.2%
Line 0.2%
QQ 0.2%
Gitter 0.2%

🚀 Highlights

Here is a list of the top apps that are more popular in the Czech Republic than worldwide.
Differences between global and country rankings are shown in parentheses.

1. Messenger ^(-2)
3. Discord ^(-2)
5. Viber ^(-3)
6. Slack ^(-7)
7. Zoom ^(-5)
8. Microsoft Teams ^(-6)
9. Matrix ^(-7)
10. IRC ^(-9)
11. Rocket.Chat ^(-11)
15. Gitter ^(-2)

✨ Best Instant Messaging Apps

Below is a more detailed list of 16 instant messaging apps used on sites from the Czech Republic, ranked by their market share.

Rank	Name	Market share
1	Messenger Menlo Park, California, United States An instant messaging service developed by Meta, available on Android, iOS, and web platforms. Free	32.5%
2	WhatsApp Menlo Park, California, United States An instant messaging and Voice over IP service owned by Meta. Free	29.8%
3	Discord San Francisco, California, United States An instant messaging and VoIP social platform that allows users to communicate via text chat, voice, and video. Free$2.99+	21.6%
4	Telegram Dubai, United Arab Emirates A cloud-based messaging app for mobile and desktop platforms focused on security, speed, and privacy. Free$$$	19.3%
5	Viber Tokyo, Japan A free, cross-platform instant messaging and calling application owned by Rakuten. Free	1.6%
6	Slack San Francisco, California, United States A cloud-based team communication platform for businesses, currently owned by Salesforce. Free$8.75+/month	1.4%
7	Zoom San Jose, California, United States A cloud-based communications platform that enables video meetings, audio conferencing, phone calls, and team chat across devices. Free$15.99+/user/month	1%
8	Microsoft Teams Redmond, Washington, United States A proprietary business collaboration platform built for hybrid work, offering chat, video conferencing, file storage, and application integration. Free$9.99+/month	0.5%
9	Matrix London, United Kingdom A set of open APIs for open-federated Instant Messaging, Voice over IP and Internet of Things communication. Free	0.5%
10	IRC A text-based chat system for instant messaging supported by many clients such as mIRC, XChat, ChatZilla and others. Free	0.5%
11	Rocket.Chat Wilmington, Delaware, United States An open-source communication platform designed for organizations with high security, privacy, and data sovereignty requirements that supports real-time chat, voice, and video across web, desktop, and mobile clients. FreeOpen source$$$	0.3%
12	WeChat Shenzhen, China A Chinese instant messaging, social media, and mobile payment app that has evolved into a super-app combining communication, commerce, and everyday services. Free	0.2%
13	Line Tokyo, Japan A Japanese instant messaging and social networking app often described as a super-app because it integrates services such as a digital wallet, news feed, digital comics, media streaming, and shopping. Free	0.2%
14	QQ Shenzhen, China A Chinese instant messaging software platform. Free	0.2%
15	Gitter London, United Kingdom An open-source chat and networking platform for software developers based on the Matrix protocol. Free	0.2%
16	RingCentral Belmont, California, United States A business communications platform that includes contact center and AI-powered phone, video, event management, and automation solutions. $20+/user/month	0.2%

👉 See Also

🌎 Instant Messaging in other countries

Data is based on the analysis of 36,163 websites from the Czech Republic.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.