Centrifugo vs Ably: Which is Better in 2026?
Choosing between Centrifugo and Ably comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Ably is our overall pick for cloud & infrastructure workflows. Pick Centrifugo if you need developer tools.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Centrifugo
Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
Best for you if:
- • You need something completely free
- • You need developer tools features specifically
- • Self-hosted, language-agnostic real-time messaging server.
- • Handles persistent connections over various transports (WebSocket, SSE, etc.).
Ably
Realtime messaging infrastructure for chat, notifications, and live updates
Best for you if:
- • You need cloud & infrastructure features specifically
- • Ably is a real-time messaging infrastructure provider for apps requiring live updates and sync
- • It handles pub/sub messaging, presence detection, and message history at global scale
| At a Glance |  Centrifugo |  Ably |
|---|---|---|
Starts at | Contact us/moCentrifugo PRO | $29/moStandard |
Best For | Developer Tools | Cloud & Infrastructure |
Rating | - | - |
Choose Centrifugo or Ably?
Choose Centrifugo if
Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
- High performance and scalability, proven to handle millions of connections.
- Easy integration with existing application architectures.
- Battle-tested and mature software used by many companies.
- You want a fully free tool (Ably requires payment)
- Your work is developer tools-shaped, not cloud & infrastructure-shaped
Choose Ably if
Realtime messaging infrastructure for chat, notifications, and live updates
- Reliable real-time messaging
- Global edge network
- Good documentation
- Your work is cloud & infrastructure-shaped, not developer tools-shaped
| Feature | Centrifugo | Ably |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.3/5 89 reviews | ★4.3/5 187 reviews |
| Categories | Developer ToolsAPI Tools | Cloud & InfrastructureAPI Tools |
In-Depth Analysis
Centrifugo
Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
Strengths
- +High performance and scalability, proven to handle millions of connections.
- +Easy integration with existing application architectures.
- +Battle-tested and mature software used by many companies.
- +Supports a wide range of real-time use cases.
- +Offers a PRO version with advanced enterprise features.
Weaknesses
- -Self-hosted nature requires deployment and maintenance effort.
- -Advanced features are locked behind the PRO version.
Key features
Ably
Realtime messaging infrastructure for chat, notifications, and live updates
Strengths
- +Reliable real-time messaging
- +Global edge network
- +Good documentation
- +Many SDKs
- +Enterprise ready
Weaknesses
- -Expensive at scale
- -Per-message pricing
- -Complex pricing
- -Learning curve
- -Vendor lock-in
Key features
Pricing: Centrifugo vs Ably
| Plan | Centrifugo | Ably |
|---|---|---|
| Tier 1 | Contact us Centrifugo PRO | Free Free |
| Tier 2 | N/A | $29 Standard |
| Tier 3 | N/A | $399 Pro |
| Tier 4 | N/A | Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Centrifugo pricing and Ably pricing.
Who Should Use What?
On a budget?
Centrifugo is free. Ably is freemium.
Go with: Centrifugo
Want the highest-rated option?
Neither has user reviews yet.
Go with: Centrifugo
Value user reviews?
Neither has user reviews yet.
Go with: Ably
3 Questions to Help You Decide
What's your budget?
Centrifugo is free. Ably is freemium. Go with Centrifugo if free matters most.
What's your use case?
Centrifugo is a developer tools tool. Ably is in cloud & infrastructure. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Ably
- Larger review base (187 reviews)
- Free tier available
- Our pick for this comparison
Centrifugo
- Completely free
- Better fit for developer tools
The Bottom Line
Ably is our pick. That said, Centrifugo is free, hard to beat on price.
Frequently Asked Questions
Is Centrifugo or Ably better?
Ably is rated in our evaluation. Centrifugo is free and Ably is freemium.
What are Centrifugo and Ably used for?
Centrifugo: Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.. Ably: Realtime messaging infrastructure for chat, notifications, and live updates.
What does Centrifugo cost vs Ably?
Centrifugo is completely free. Ably is freemium (free tier + paid plans). Visit their websites for detailed pricing.