G2 Vendor Directory

PubNub vs. Ably Realtime

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

MetricPubNub

by PubNub

Ably Realtime

by Ably Realtime

Overall rating4.44.8
Review count2567
Ease of use8.99.1
Ease of setup8.99.0
Quality of support9.39.7
Meets requirements9.19.4
NPS60.86956589.552239
Small Business52.0%44.8%
Mid-Market20.0%28.4%
Enterprise28.0%26.9%
Total page views197213
Total LLM citations7318,692

PubNub

PubNub is a real-time platform for developers who build in-app chat and live features. The Chat SDK includes typing indicators, presence, message history, read receipts, reactions, and threads. PubNub supports unlimited subscribers per channel. PubNub assigns each message a server-side timetoken. Messages on a channel form one ordered sequence. End-to-end delivery latency is sub-100ms. DAZN uses PubNub to power chat and Watch Party experiences for 10 million users. PubNub charges by Monthly Active Users or transactions, depending on the plan.

Pros

  • Customer Support
  • Chat Functionality
  • Ease of Use
  • Data Security
  • Real-time Streaming
  • API Integration

Ably Realtime

Ably helps teams deliver resilient AI UX and high-performance live experiences that stay fast and in sync worldwide. We provide the global realtime layer for AI agents, chat, notifications, live dashboards, and collaboration - engineered to handle peak demand without self-managed infrastructure. Teams like HubSpot and Intercom use Ably to avoid the cost and complexity of building and operating realtime systems, while still getting predictable performance at serious scale, handling 2T+ API operations per month.

Pros

  • Ease of Use
  • Customer Support
  • Easy Integrations
  • Reliability
  • Fast Communication
  • Integrations