Centrifugo vs Confluent: 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 Centrifugo and Confluent side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a 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:
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 (Confluent requires payment)
Confluent
Enterprise event streaming platform built on Kafka
Best for you if:
- • You want managed Kafka
| At a Glance | Centrifugo | Confluent |
|---|---|---|
Starts at | Free 100% free | Free plan |
Category | Developer Tools API Tools | Data & Databases Developer Tools |
Rating | 4.5/5 SourceForge 4.3 · G2 4.8 114 reviews | 4.4/5 G2 4.4 · Capterra 4.4 122 reviews |
Free plan | Yes | Yes |
Watch out for | Integration costs for specific APIs not included. | Storage and networking costs are extra |
Choose Centrifugo or Confluent?
Choose Centrifugo if
- You want a fully free tool (Confluent 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 data & databases
Choose Confluent if
- You want managed Kafka
- You want stream processing
- You work in data & databases, not developer tools
In-Depth Analysis
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
Confluent
Enterprise event streaming platform built on Kafka
However, for larger enterprises, the Dedicated and Enterprise tiers, while offering advanced features, can quickly become expensive due to CKU-based pricing and potential annual commitments.
Watch out
Storage and networking costs are extra
Strengths
- Pro: Managed Kafka
- Pro: Stream processing
- Pro: Schema registry
- Pro: Good support
- Pro: Cloud and self-managed
Weaknesses
- Con: Expensive
- Con: Vendor lock-in
- Con: Complex pricing
- Con: Learning curve
- Con: Overkill for simple needs
Key features
Plans and prices: Centrifugo vs Confluent
| Tool | Plans and prices | Source |
|---|---|---|
| Centrifugo |
| centrifugal.dev read Oct 2, 2026 |
| Confluent |
| confluent.io read Sep 30, 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 Centrifugo pricing and Confluent pricing.
Key Takeaways
Centrifugo
- Choose if you want scalable real-time messaging server for interactive applications, designed for high performance and easy integration
Confluent
- Choose if you want enterprise event streaming platform built on Kafka
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings are within 0.2 points (4.5/5 from 114 reviews for Centrifugo, 4.4/5 from 122 reviews for Confluent).
- 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 Centrifugo and Confluent compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings are within 0.2 points (4.5/5 from 114 reviews for Centrifugo, 4.4/5 from 122 reviews for Confluent). Both have a free plan.
What are Centrifugo and Confluent used for?
Centrifugo: Scalable real-time messaging server for interactive applications, designed for high performance and easy integration. Confluent: Enterprise event streaming platform built on Kafka.
What does Centrifugo cost vs Confluent?
Centrifugo is free. Confluent has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 2, 2026.
What's the main difference between Centrifugo and Confluent?
Centrifugo's main strength: high performance and scalability, proven to handle millions of connections. Confluent's main strength: managed Kafka.