Ably vs Centrifugo: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Ably and Centrifugo side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Ably leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Ably
Realtime messaging infrastructure for chat, notifications, and live updates
Best for you if:
- • You want reliable real-time messaging
Centrifugo
Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
Best for you if:
- • You want a fully free tool (Ably requires payment)
| At a Glance | Ably | Centrifugo |
|---|---|---|
Starts at | Free plan, paid from $29/mo Standard plan | Free 100% free |
Category | Cloud & Infrastructure API Tools | Developer Tools API Tools |
Rating | 4.8/5 G2 4.8 67 reviews | 4.5/5 SourceForge 4.3 · G2 4.8 114 reviews |
Free plan | Yes | Yes |
Watch out for | Overage charges for exceeding tier limits | Integration costs for specific APIs not included. |
Choose Ably or Centrifugo?
Choose Ably if
- You want reliable real-time messaging
- You want global edge network
- You work in cloud & infrastructure, not developer tools
Choose Centrifugo if
- You want a fully free tool (Ably requires payment)
- You want high performance and scalability, proven to handle millions of connections
- You want easy integration with existing application architectures
- You work in developer tools, not cloud & infrastructure
In-Depth Analysis
Ably
Realtime messaging infrastructure for chat, notifications, and live updates
Ably's freemium model is generous, offering substantial limits for free.
Watch out
Overage charges for exceeding tier limits
Strengths
- Pro: Reliable real-time messaging
- Pro: Global edge network
- Pro: Good documentation
- Pro: Many SDKs
- Pro: Enterprise ready
Weaknesses
- Con: Expensive at scale
- Con: Per-message pricing
- Con: Complex pricing
- Con: Learning curve
- Con: Vendor lock-in
Key features
Centrifugo
Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
Centrifugo's pricing model is somewhat opaque for its premium offering.
Watch out
Integration costs for specific APIs not included.
Strengths
- Pro: High performance and scalability, proven to handle millions of connections.
- Pro: Easy integration with existing application architectures.
- Pro: Battle-tested and mature software used by many companies.
- Pro: Supports a wide range of real-time use cases.
- Pro: Offers a PRO version with advanced enterprise features.
Weaknesses
- Con: Self-hosted nature requires deployment and maintenance effort.
- Con: Advanced features are locked behind the PRO version.
Key features
Plans and prices: Ably vs Centrifugo
| Tool | Plans and prices | Source |
|---|---|---|
| Ably |
| ably.com/pricingread Oct 4, 2026 |
| Centrifugo |
| centrifugal.devread Oct 2, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Ably pricing and Centrifugo pricing.
Key Takeaways
Ably
- Higher user rating: 4.8/5 vs 4.5/5
Centrifugo
- Choose if you want scalable real-time messaging server for interactive applications, designed for high performance and easy integration
What the data shows
On the data below, Ably leads on higher user rating. We do not name an overall winner for this pair.
- Ably has the higher user rating (4.8/5 from 67 reviews for Ably, 4.5/5 from 114 reviews for Centrifugo).
- Ably starts at $29/mo; Centrifugo has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Ably and Centrifugo compare in 2026?
On the data below, Ably leads on higher user rating. We do not name an overall winner for this pair. Ably has the higher user rating (4.8/5 from 67 reviews for Ably, 4.5/5 from 114 reviews for Centrifugo). Ably starts at $29/mo; Centrifugo has no public paid plan price on file. Both have a free plan.
What are Ably and Centrifugo used for?
Ably: Realtime messaging infrastructure for chat, notifications, and live updates. Centrifugo: Scalable real-time messaging server for interactive applications, designed for high performance and easy integration.
What does Ably cost vs Centrifugo?
Ably's cheapest paid plan is Standard at $29/mo; it also has a free plan. Centrifugo is free. Prices read on the vendors' pricing pages, latest check Oct 4, 2026.
What's the main difference between Ably and Centrifugo?
Ably's main strength: reliable real-time messaging. Centrifugo's main strength: high performance and scalability, proven to handle millions of connections.