G2 Vendor Directory

PubNub vs. Hazelcast Platform

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

MetricPubNub

by PubNub

Hazelcast Platform

by Hazelcast

Overall rating4.44.3
Review count2513
Ease of use8.98.7
Ease of setup8.98.3
Quality of support9.38.9
Meets requirements9.18.9
NPS60.86956541.666667
Small Business52.0%53.8%
Mid-Market20.0%23.1%
Enterprise28.0%23.1%
Total page views19783
Total LLM citations731138

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

Hazelcast Platform

Hazelcast Platform is the Live Data Platform that delivers data at the speed of relevance, providing the in‑memory foundation for applications that act on data the instant it's created—ensuring businesses never miss a moment of opportunity. By converging distributed caching, compute, stream processing, and real‑time AI into one low‑latency runtime, Hazelcast delivers sub‑millisecond performance, linear scalability, and enterprise resilience. Global 2000 firms trust Hazelcast to simplify architectures, reduce costs, and power mission‑critical, time‑sensitive applications.

Pros

  • Flexibility
  • Ease of Use
  • Performance Efficiency
  • Performance
  • Simple
  • Fast Processing