Aiven for Apache Kafka vs Amazon Managed Streaming for Apache Kafka

Aiven for Apache Kafka9.0Visit Amazon Managed Streaming for Apache Kafka8.8Visit

Higher score Aiven for Apache Kafka #3 in Event Streaming Platforms 9.0/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Visit Aiven

vs

Amazon Managed Streaming for Apache Kafka #5 in Event Streaming Platforms 8.8/10 Paid ✓ 2 of 2 features Visit Amazon MSK

• Aiven for Apache Kafka fits best

  Teams wanting affordable managed Kafka

• Amazon Managed Streaming for Apache Kafka fits best

  AWS teams running managed Apache Kafka

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Side by side

Feature	Aiven for Apache Kafka 9.0/10 Visit ↗	Amazon Managed Streaming for Apache Kafka 8.8/10 Visit ↗
At a glance
Editor score	9.0	8.8
Ranking	#3 in Event Streaming Platforms	#5 in Event Streaming Platforms
Best for	Teams wanting affordable managed Kafka	AWS teams running managed Apache Kafka
Pricing model	Free plan + paid	Paid
Starting price	$35/mo	Not checked yet
Free plan	✓ (best)	Not checked yet
Free trial	30 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Community, Docs	Docs
Integrations	4 integrations	17 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Aiven for Apache Kafka 2/2 · Amazon Managed Streaming for Apache Kafka 2/2
Stream processing	✓	✓
Schema registry	✓	✓
Specs
Deployment model	Hybrid	Cloud
Maximum retention	3 days	Not checked yet
Delivery guarantee	Both	Both
Connectors listed	36 connectors	Not checked yet
Supported client languages	Java, Scala, Python, Node.js	Java, Python, Go, JavaScript, .NET
Our review
Pros	Free plan includes Schema Registry and REST proxy 36 connectors plus Kafka Connect and MirrorMaker 2 compatibility TLS, SASL, ACLs, and client-certificate authentication	Provisioned and serverless Kafka cluster deployment options MSK Connect, cross-cluster replication, and schema registry integration IAM access control with broad AWS service integrations
Cons	Free plan is limited to 250 KiB/s and five topics Retention is limited to three days on Free and Developer Developer pricing and retention vary by cloud and region	Usage-based pricing varies across multiple infrastructure factors AWS-focused integrations may not suit multicloud architectures Requires Kafka expertise for configuration and application development
Our verdict	Aiven for Apache Kafka is a fully managed Apache Kafka service for event-driven applications, data pipelines, and stream-processing systems. It provides managed clusters with configurable topics, partitions, and retention, alongside… Read the review →	Amazon Managed Streaming for Apache Kafka (Amazon MSK) is a cloud service for developers, data engineers, and DevOps teams building applications that publish, consume, process, and replay streaming data. AWS manages cluster provisioning,… Read the review →

Strengths and trade-offs

• Aiven for Apache Kafka — where it wins

  • Free plan includes Schema Registry and REST proxy
  • 36 connectors plus Kafka Connect and MirrorMaker 2 compatibility
  • TLS, SASL, ACLs, and client-certificate authentication

  Where it doesn't

  • Free plan is limited to 250 KiB/s and five topics
  • Retention is limited to three days on Free and Developer
  • Developer pricing and retention vary by cloud and region

• Amazon Managed Streaming for Apache Kafka — where it wins

  • Provisioned and serverless Kafka cluster deployment options
  • MSK Connect, cross-cluster replication, and schema registry integration
  • IAM access control with broad AWS service integrations

  Where it doesn't

  • Usage-based pricing varies across multiple infrastructure factors
  • AWS-focused integrations may not suit multicloud architectures
  • Requires Kafka expertise for configuration and application development

• Aiven for Apache Kafka9.0/10 · Free plan · 30-day trial

  Managed Kafka with a free plan, schema tools, connectors, replication, and hybrid deployment.

  Visit AivenFull verdict →
• Amazon Managed Streaming for Apache Kafka8.8/10 · Paid

  A deep AWS-native Kafka service for teams that need managed streaming infrastructure.

  Visit Amazon MSKFull verdict →