Pusher vs Socket.IO: What are the differences?
Developers describe Pusher as "Hosted APIs to build realtime apps with less code". Pusher is the category leader in delightful APIs for app developers building communication and collaboration features. On the other hand, Socket.IO is detailed as "Realtime application framework (Node.JS server)". Socket.IO enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.
Pusher and Socket.IO belong to "Realtime Backend / API" category of the tech stack.
Some of the features offered by Pusher are:
- Easily build scalable in-app notifications, chat, realtime graphs, geotracking and more in your web & mobile apps with our hosted pub/sub messaging API.
- Send programmable push notifications to iOS and Android devices with delivery and open rate tracking built in.
- Easily add 1-1 and group Chat to your web & mobile apps. Presence, message storage, rich media, notifications, typing indicators and more.
On the other hand, Socket.IO provides the following key features:
- Real-time analytics - Push data to clients that gets represented as real-time counters, charts or logs.
- Binary streaming - Starting in 1.0, it's possible to send any blob back and forth: image, audio, video.
- Instant messaging and chat - Socket.IO's "Hello world" is a chat app in just a few lines of code.
"An easy way to give customers realtime features" is the top reason why over 44 developers like Pusher, while over 186 developers mention "Real-time" as the leading cause for choosing Socket.IO.
Socket.IO is an open source tool with 46.9K GitHub stars and 8.54K GitHub forks. Here's a link to Socket.IO's open source repository on GitHub.
Rainist, PedidosYa, and Trello are some of the popular companies that use Socket.IO, whereas Pusher is used by Product Hunt, Groupon, and Buffer. Socket.IO has a broader approval, being mentioned in 560 company stacks & 395 developers stacks; compared to Pusher, which is listed in 125 company stacks and 42 developer stacks.