Aiven for Apache Kafka vs Amazon Kinesis Data Streams

Aiven for Apache Kafka9.0Visit Amazon Kinesis Data Streams8.6Visit

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 Kinesis Data Streams #7 in Event Streaming Platforms 8.6/10 Paid ✓ 2 of 2 features Visit AWS

• Aiven for Apache Kafka fits best

  Teams wanting affordable managed Kafka

• Amazon Kinesis Data Streams fits best

  AWS teams ingesting high-volume event streams

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Side by side

Feature	Aiven for Apache Kafka 9.0/10 Visit ↗	Amazon Kinesis Data Streams 8.6/10 Visit ↗
At a glance
Editor score	9.0	8.6
Ranking	#3 in Event Streaming Platforms	#7 in Event Streaming Platforms
Best for	Teams wanting affordable managed Kafka	AWS teams ingesting high-volume event streams
Pricing model	Free plan + paid	Paid
Starting price	$35/mo	$0.01/unit usage-based
Free plan	✓ (best)	—
Free trial	30 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Community, Docs	Docs
Compliance	SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, SSO/SAML	2FA
Integrations	4 integrations	12 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Aiven for Apache Kafka 2/2 · Amazon Kinesis Data Streams 2/2
Stream processing	✓	✓
Schema registry	✓	✓
Specs
Deployment model	Hybrid	Cloud
Maximum retention	3 days	365 days (best)
Delivery guarantee	Both	At-least-once
Connectors listed	36 connectors	Not checked yet
Supported client languages	Java, Scala, Python, Node.js	Go, Java, JavaScript, .NET, PHP, Python, Ruby, C++, Kotlin, Rust, SAP ABAP, Swift
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	Real-time ingestion with retention options up to 365 days Extensive AWS integrations, including Lambda, S3, and Flink Automatic shard management in on-demand mode
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	No free plan; pricing varies by AWS Region At-least-once processing semantics can require duplicate handling Enhanced retention and other capabilities can add separate charges
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 Kinesis Data Streams is a fully managed, serverless service for ingesting, storing, and consuming streaming data in real time. It is suited to AWS teams building event-driven applications, clickstream or log analytics, dashboards,… 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 Kinesis Data Streams — where it wins

  • Real-time ingestion with retention options up to 365 days
  • Extensive AWS integrations, including Lambda, S3, and Flink
  • Automatic shard management in on-demand mode

  Where it doesn't

  • No free plan; pricing varies by AWS Region
  • At-least-once processing semantics can require duplicate handling
  • Enhanced retention and other capabilities can add separate charges

• 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 Kinesis Data Streams8.6/10 · Paid

  A flexible AWS-native stream service with usage pricing and at-least-once delivery.

  Visit AWSFull verdict →