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Head-to-head · Message Broker Software

RabbitMQ vs Amazon SNS

  • Updated Nov 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score RabbitMQ #1 in Message Broker Software 9.4/10 Free plan Free plan✓ 1 of 1 features Visit RabbitMQ
Amazon SNS #17 in Message Broker Software 7.6/10 Free plan Free plan✓ 1 of 1 features Visit Amazon SNS

RabbitMQ leads on 1 check, Amazon SNS on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRabbitMQ · 9.4/10
  • Free planboth

RabbitMQ scores higher on our rubric for message broker software: 9.4 against 7.6 out of 10; our editors rank them #1 and #17.

On deployment model, RabbitMQ gives you Hybrid where Amazon SNS offers Cloud. On ordering guarantees, Amazon SNS gives you Per_partition where RabbitMQ offers Per_queue. RabbitMQ leads on maximum message size: 16 MB versus 1 MB.

RabbitMQ is the better fit for general-purpose open-source messaging. Amazon SNS is the better fit for AWS fan-out and notifications.

  • RabbitMQ fits best

    General-purpose open-source messaging

  • Amazon SNS fits best

    AWS fan-out and notifications

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Side by side

Feature RabbitMQ 9.4/10 Visit ↗ Amazon SNS 7.6/10 Visit ↗
At a glance
Editor score 9.4 7.6
Ranking #1 in Message Broker Software #17 in Message Broker Software
Best for General-purpose open-source messaging AWS fan-out and notifications
Pricing model Free Free plan + paid
Starting price Free plan $0.06/unit usage-based
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Windows, macOS, Linux Web
Support Community, Docs, Email · 24/7 Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features RabbitMQ 1/1 · Amazon SNS 1/1
Dead-letter queues ✓ ✓
Specs
Deployment model Hybrid Cloud
Delivery guarantees Configurable Configurable
Ordering guarantees Per_queue Per_partition
Maximum message size 16 MB (best) 1 MB
Supported protocols AMQP 0-9-1, AMQP 1.0, MQTT, STOMP, RabbitMQ Streams, HTTP, WebSocket http, https, email, email-json, sms, sqs, application, lambda, firehose
Our review
Pros
  • Supports queues, exchanges, routing, acknowledgements, and dead-lettering
  • Offers quorum queues, federation, shovels, and RabbitMQ Streams
  • Supports AMQP, MQTT, STOMP, HTTP, WebSocket, and multiple deployments
  • Standard and FIFO topics support flexible delivery patterns
  • Filtering, deduplication, replay, and dead-letter queues
  • Delivers to SQS, Lambda, HTTP/S, email, SMS, and mobile push
Cons
  • Commercial Tanzu RabbitMQ support and enterprise features are separate
  • The documented default message-size limit is 16 MB
  • Ordering guarantees apply per queue
  • Usage-based pricing can span multiple delivery charges
  • FIFO features center on supported SNS-to-SQS configurations
  • Cloud deployment is closely tied to the AWS ecosystem
Our verdict

RabbitMQ is an open-source messaging and streaming broker for distributed applications, microservices, real-time data systems, and IoT workloads. It is suited to teams that need general-purpose message queues, exchanges, routing,…

Read the review →

Amazon SNS is a managed publish-subscribe messaging service for application-to-application and application-to-person communication. It publishes messages to topics and asynchronously fans them out to destinations including Amazon SQS, AWS…

Read the review →
  1. RabbitMQMessage Broker Software 9.4Free plan
  2. Amazon SNSMessage Broker Software 7.6Free plan

Strengths and trade-offs

  • RabbitMQ — where it wins

    • Supports queues, exchanges, routing, acknowledgements, and dead-lettering
    • Offers quorum queues, federation, shovels, and RabbitMQ Streams
    • Supports AMQP, MQTT, STOMP, HTTP, WebSocket, and multiple deployments

    Where it doesn't

    • Commercial Tanzu RabbitMQ support and enterprise features are separate
    • The documented default message-size limit is 16 MB
    • Ordering guarantees apply per queue

  • Amazon SNS — where it wins

    • Standard and FIFO topics support flexible delivery patterns
    • Filtering, deduplication, replay, and dead-letter queues
    • Delivers to SQS, Lambda, HTTP/S, email, SMS, and mobile push

    Where it doesn't

    • Usage-based pricing can span multiple delivery charges
    • FIFO features center on supported SNS-to-SQS configurations
    • Cloud deployment is closely tied to the AWS ecosystem

RabbitMQ vs Amazon SNS: questions

Which is better for message broker software, RabbitMQ or Amazon SNS?

RabbitMQ scores higher on our rubric for message broker software: 9.4 against 7.6 out of 10; our editors rank them #1 and #17.

How do RabbitMQ and Amazon SNS compare?

Of the 3 checks we put side by side, RabbitMQ leads on 1, Amazon SNS on none, and 2 are level. Maximum message size: 16 MB on RabbitMQ vs 1 MB.

Do RabbitMQ and Amazon SNS have a free plan?

RabbitMQ: Yes. Amazon SNS: Yes.

More comparisons

All message broker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update