
Socket.io
Firebase
PubNub
Ably
OneSignal
GetStream.io
SignalR
Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Attentive
Twilio
Tatango
Klaviyo
Braze
SMSGlobal
Plivo
Like Mailchimp for SMS

Which is more popular?
Based on our record, Pusher seems to be a lot more popular than Postscript. While we know about 57 links to Pusher, we've tracked only 2 mentions of Postscript.
Website, pricing, platforms and company facts side by side.
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| Website | pusher.com | postscript.io |
| Pricing | ||
| Company | — | Startup from the United States · 50 - 99 employees · 2018 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Postscript yet.
Walkthroughs and reviews on video.
Mark Kermode reviews Pusher
More videos
Postscript SMS Marketing Tool Demo and Review in 5 Minutes or More | Ecommerce Tech
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Pusher and Postscript. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Pusher as a signal Alternative comes into the picture when it is simple and has free plans for the fallback of SSE to make the frame and log polling also available to the developers for troubleshooting as well.
We have no reviews of Postscript yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Kick's chat is delivered via Pusher — a hosted real-time messaging service — rather than a custom WebSocket server. The event name is App\Events\ChatMessageEvent and channels follow the pattern chatroom.{chatroom_id}. - Source: dev.to / 5 months ago
Services like Pusher and Ably are experts in real-time messaging. They provide robust APIs for pub/sub channels, allowing you to broadcast events to clients reliably. - Source: dev.to / about 1 year ago
In this tutorial, you’ll create a Next.js project with TailwindCSS and build custom authentication pages for Clerk without the watermark. This means you’ll create a custom Clerk authentication component, allowing you to have a UI without... - Source: dev.to / over 1 year ago
I work for this company: https://postscript.io/. Source: almost 4 years ago
Postscript is one example, raised 100m+ and are basically an SMS marketing tool for shopify stores lol. https://postscript.io. Source: about 4 years ago
When comparing Pusher and Postscript, you can also consider the following products.

Realtime application framework (Node.JS server)
Compare Socket.io to Pusher or Postscript:

A marketing channel, built for retail & e‑commerce
Compare Attentive to Pusher or Postscript:

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to Pusher or Postscript:

Brings voice and messaging to your web and mobile applications.
Compare Twilio to Pusher or Postscript:

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.
Compare PubNub to Pusher or Postscript:

Tatango is a mobile messaging platform for agencies.
Compare Tatango to Pusher or Postscript: