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OpenTok vs Viber

Professional comparison and analysis to help you choose the right software solution for your needs.

OpenTok icon
OpenTok
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Viber

OpenTok vs Viber: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OpenTok Viber
Sugggest Score — —
Category Social & Communications Social & Communications

Product Overview

OpenTok
OpenTok

Description: OpenTok is a WebRTC video conferencing platform that enables developers to easily integrate high-quality video chat into web and mobile apps. It provides reliable video streaming, cross-platform capability, scalability, security features, and a flexible API.

Type: software

Viber
Viber

Description: Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.

Type: software

Key Features Comparison

OpenTok
OpenTok Features
  • WebRTC video conferencing
  • Real-time audio and video
  • Screen sharing
  • Text chat
  • Cross-platform capability
  • Scalable
  • Flexible API
  • Archiving
  • Security features
Viber
Viber Features
  • Free calls
  • Free messages
  • Group chats
  • Stickers
  • Photo and video sharing
  • Voice messages
  • Location sharing

Pros & Cons Analysis

OpenTok
OpenTok
Pros
  • High quality video and audio
  • Easy integration
  • Reliable streaming
  • Scales to large audiences
  • Works across devices
  • Flexible pricing options
  • Good documentation and support
Cons
  • Can be complex for basic use cases
  • Requires some programming knowledge
  • No whiteboarding features
  • Limited call recording options in basic plan
Viber
Viber
Pros
  • Free calls and messages
  • Works across platforms
  • Good call quality
  • Fun stickers and emojis
  • Group chats
Cons
  • Contacts need to be using Viber too
  • Some features are paid only
  • No cloud sync between devices
  • Limited customization options

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Learn More About Each Product

OpenTok
OpenTok
Reviews, pricing & alternatives →
Viber
Viber
Reviews, pricing & alternatives →

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