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Pusher
Pusher

333
252
+ 1
202
Radar
Radar

3
4
+ 1
0
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Pusher vs Radar: What are the differences?

What is Pusher? 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.

What is Radar? High level API and backend for writing web apps that use push messaging. Radar is built on top of engine.io, the next-generation backend for socket.io. It uses Redis for backend storage, though the assumption is that this is only for storing currently active data.

Pusher and Radar can be primarily classified as "Realtime Backend / API" tools.

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, Radar provides the following key features:

  • More than just pub/sub: a resource-based API for presence, messaging and push notifications via a Javascript client library
  • Written in Javascript/Node.js, and uses engine.io (the new, low-level complement to socket.io)
  • Backend to multiple front-facing servers

Radar is an open source tool with 209 GitHub stars and 35 GitHub forks. Here's a link to Radar's open source repository on GitHub.

- No public GitHub repository available -

What is Pusher?

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

What is Radar?

Radar is built on top of engine.io, the next-generation backend for socket.io. It uses Redis for backend storage, though the assumption is that this is only for storing currently active data.
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          What are some alternatives to Pusher and Radar?
          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.
          SignalR
          SignalR allows bi-directional communication between server and client. Servers can now push content to connected clients instantly as it becomes available. SignalR supports Web Sockets, and falls back to other compatible techniques for older browsers. SignalR includes APIs for connection management (for instance, connect and disconnect events), grouping connections, and authorization.
          Firebase
          Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.
          Socket.IO
          It enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.
          Google Cloud Pub/Sub
          Cloud Pub/Sub is a fully-managed real-time messaging service that allows you to send and receive messages between independent applications. You can leverage Cloud Pub/Sub’s flexibility to decouple systems and components hosted on Google Cloud Platform or elsewhere on the Internet.
          See all alternatives
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          How developers use Pusher and Radar
          Avatar of Nathan Heffley
          Nathan Heffley uses PusherPusher

          In the original prototype all the communication was handled by a backend server. Each client connected directly to the server using the socket.io library. This quickly proved to be messy and unreliable, especially on the cheap server being used to host it.

          Websockets proved to be a little more reliable, but still just as messy and not all browsers support them. That's when the project was switched over to use Pusher. Using Pusher has allowed all but the initial connection code to be off-loaded onto the client. Now instead of communicating through a self-hosted server, clients can communicate pretty much peer-to-peer over Pusher.

          Avatar of Jewel Mahanta
          Jewel Mahanta uses PusherPusher

          Pusher is used to send update notification whenever Lapzbot joins a server.

          Avatar of Vamsi Krishna
          Vamsi Krishna uses PusherPusher

          Push real-time updates

          How much does Pusher cost?
          How much does Radar cost?
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