Socket.IO comparisons
Free#1 of 55 in WebSocket Tools
Socket.IO is compared head-to-head with Ably Pub/Sub, Azure Web PubSub and Fastly Fanout and more: 7 head-to-heads in WebSocket Tools, each with the specs and prices we checked.
9.3/10Editor score
Socket.IO9.3
Visit Socket.IO
Socket.IO head-to-head
- Socket.IO vs Ably Pub/Sub
- Socket.IO vs Azure Web PubSub
- Socket.IO vs Fastly Fanout
- Socket.IO vs Pusher Channels
- Socket.IO vs Action Cable
- Socket.IO vs Spring WebSocket
- Socket.IO vs AnyCable
Socket.IO vs each of them
| # | Tool | Free plan | Paid from | Deployment model | Free concurrent connections | Pub/sub messaging | Self-hosting available | Score |
|---|---|---|---|---|---|---|---|---|
| 1 | Socket.IO | Yes | None | Library | — | Yes | Yes | 9.3 |
| 2 | Ably Pub/Sub | Yes | $29/mo | Managed | 200 | Yes | No | 8.8 |
| 3 | Azure Web PubSub | Yes | — | Managed | 20 | Yes | No | 8.7 |
| 4 | Fastly Fanout | No | — | Managed | — | Yes | No | 8.6 |
| 5 | Pusher Channels | Yes | — | — | — | — | — | 8.5 |
| 6 | Action Cable | Yes | None | Library | — | Yes | Yes | 8.3 |
| 7 | Spring WebSocket | Yes | None | Library | — | Yes | Yes | 8.2 |
| 8 | AnyCable | Yes | $149/mo | — | 2000 | Yes | Yes | 7.9 |
Compare Socket.IO with any WebSocket tool
These are the matchups our editors wrote up. The compare tool pairs Socket.IO with any other product in WebSocket Tools — and up to four at once — from the same checked specs.
Compare Socket.IO with any tool side by side →
Every WebSocket tools head-to-head →
Our full Socket.IO verdict, pricing and fact sheet →
Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.
Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update