Socket.IO vs. Pusher vs. PubNub



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What is Socket.IO?

Socket.IO enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.

What is Pusher?

Pusher is the category leader in delightful APIs for app developers building communication and collaboration features.

What is PubNub?

PubNub makes it easy for you to add real-time capabilities to your apps, without worrying about the infrastructure. Build apps that allow your users to engage in real-time across mobile, browser, desktop and server.

Want advice about which of these to choose?Ask the StackShare community!

Why do developers choose Socket.IO?
Why do you like Socket.IO?

Why do developers choose Pusher?
Why do you like Pusher?

Why do developers choose PubNub?
Why do you like PubNub?

What are the cons of using Socket.IO?
Downsides of Socket.IO?

What are the cons of using Pusher?
No Cons submitted yet for Pusher
Downsides of Pusher?

What are the cons of using PubNub?
No Cons submitted yet for PubNub
Downsides of PubNub?

How much does Socket.IO cost?
How much does Pusher cost?
Pusher Pricing
How much does PubNub cost?
PubNub Pricing
What companies use Socket.IO?
670 companies on StackShare use Socket.IO
What companies use Pusher?
150 companies on StackShare use Pusher
What companies use PubNub?
49 companies on StackShare use PubNub
What tools integrate with Socket.IO?
4 tools on StackShare integrate with Socket.IO
What tools integrate with Pusher?
7 tools on StackShare integrate with Pusher
What tools integrate with PubNub?
3 tools on StackShare integrate with PubNub

What are some alternatives to Socket.IO, Pusher, and PubNub?

  • Firebase - The Realtime App Platform
  • Google Cloud Pub/Sub - Global service for real-time and reliable messaging and streaming data
  • SignalR - A new library for ASP.NET developers that makes developing real-time web functionality easy.
  • NATS - Lightweight publish-subscribe & distributed queueing messaging system

See all alternatives to Socket.IO

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