G2 Vendor Directory

Avaya Unified Communications vs. Lark

A side-by-side comparison based on G2 review data.

MetricAvaya Unified Communications

by Avaya

Lark

by Lark Technologies

Overall rating4.24.6
Review count42202
Ease of use8.99.2
Ease of setup8.18.6
Quality of support8.79.1
Meets requirements9.29.4
NPS44.73684273.224044
Small Business16.7%48.7%
Mid-Market23.8%33.8%
Enterprise59.5%17.4%
Total page views4062,758
Total LLM citations72824,739

Avaya Unified Communications

Avaya Unified Communications (UC) is an integrated platform that consolidates multiple communication and collaboration channels into a single, cohesive system. Designed for modern enterprises, Avaya UC enables organizations to streamline communications across voice, video, messaging, and conferencing while supporting flexible work environments and seamless device mobility.

Pros

  • Ease of Use
  • Video Conferencing
  • Instant Messaging
  • Remote Work
  • VoIP Services
  • Easy Integration

Lark

Built by ByteDance, Lark is an enterprise AI workspace designed for seamless human-agent collaboration. It unifies teams, communication, knowledge, and business workflows in one connected environment with an open architecture for AI models and agents. By bringing work into one place rather than scattering it across separate apps, Lark gives AI complete, real-time context and the native ability to act across the entire business. Today, organizations in more than 190 markets use Lark to turn AI into measurable business value.

Pros

  • Ease of Use
  • Features
  • Team Collaboration
  • Communication
  • Daily Use
  • All-in-one