
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.

mabl
Ghost Inspector
Leapwork
TestMu AI (Formerly LambdaTest)
Katalon
DevTest
TestProject
Functionize combines natural language processing, deep-learning ML models and other AI-based technologies to empower your team to build tests faster that don’t break and run at scale in the cloud.

Which is more popular?
Based on our record, Pusher seems to be more popular. It has been mentioned 57 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | pusher.com | functionize.com |
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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 Functionize yet.
Walkthroughs and reviews on video.
Mark Kermode reviews Pusher
More videos
How Functionize Improves Software Testing
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Pusher and Functionize. 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 Functionize 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
Tracking Functionize since Mar 2021.
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Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
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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.
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Smarter Faster Test Automation: Leapwork is a codeless and AI-Powered end-to-end test automation platform enabling everyone to deliver continuous quality across customer journeys.
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