Top 10: Customer communication messengers for Eastern Europe

Updated: 06.02.2026
Popular consumer messaging platforms and omnichannel IM services for customer interactions.
1
Telegram is a messaging app with a focus on speed and security. It’s super-fast, simple, secure and free. Telegram seamlessly syncs across all of your devices and can be used on desktops, tablets and phones alike. You can send an unlimited amount of messages, photos, videos and files of any type (.doc, .zip, .pdf, etc.). Telegram groups have up to 200 people and you can send broadcasts to up to 100 contacts at a time. Be sure to check our website for a list of Telegram apps for all platforms.
2
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those phones can all message each other! Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends.
3
Viber is a mobile app that provides free international calls and text messages to other Viber users using 3G or Wi-Fi. Uses your existing contact list - check out which of your phone contacts and friends is already on Viber so that you can call and text them for free.
4
Facebook Messenger is an instant messaging service and software application which provides text and voice communication. Available now for Android and iPhone.
5
ManyChat allows you to engage with your customer 24/7 — leverage the power of marketing automation. Contains a visual drag-and-drop chatbot builder for easy customization without coding. Offers analytics tools to track performance and optimize customer interactions effectively.
6
Cloud service for communicating with clients via any messenger. Integrations with helpdesk systems and CRMs, such as Salesforce CRM, Zendesk, Freshdesk, Kayako, Intercom, ELMA BPM, and Creatio.
7
Platform for omnichannel communication and lead management. You connect various social media platforms, instant messaging apps, and the website's live chat and the platform allows to communicate with all clients from one convenient, centralized location, with dedicated workflows and managers.
8
Twilio powers personalized interactions and trusted global communications to connect you with customers.
9
The leading omnichannel communications platform, built for global scale, that power communication between businesses and their customers — across any channel, always with the right context, and on every corner of the planet.
10
Privacy is possible, Signal makes it easy. Send high-quality group, text, picture, and video messages, all without SMS and MMS fees.
11
WeChat is a free messaging & video calling app that allows you to easily connect with family & friends across countries. It's the all-in-one communications app for free