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Head-to-head · Message Broker Software

Solace PubSub+ Event Broker vs Amazon SQS

  • Updated Nov 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Solace PubSub+ Event Broker #2 in Message Broker Software 9.2/10 Free plan · 30-day trial Free planFree trial✓ 0 of 1 features Visit Solace
Amazon SQS #8 in Message Broker Software 8.5/10 Free plan Free plan✓ 1 of 1 features Visit Amazon SQS

Solace PubSub+ Event Broker leads on 0 checks, Amazon SQS on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSolace PubSub+ Event Broker · 9.2/10
  • Free planboth
  • Free trialonly Solace PubSub+ Event Broker
  • Most featuresAmazon SQS · 1 of 1

Solace PubSub+ Event Broker scores higher on our rubric for message broker software: 9.2 against 8.5 out of 10; our editors rank them #2 and #8.

On deployment model, Solace PubSub+ Event Broker gives you Hybrid where Amazon SQS offers Cloud.

Solace PubSub+ Event Broker is the better fit for hybrid event mesh deployments. Amazon SQS is the better fit for managed AWS queues.

  • Solace PubSub+ Event Broker fits best

    Hybrid event mesh deployments

  • Amazon SQS fits best

    Managed AWS queues

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Side by side

Feature Solace PubSub+ Event Broker 9.2/10 Visit ↗ Amazon SQS 8.5/10 Visit ↗
At a glance
Editor score 9.2 8.5
Ranking #2 in Message Broker Software #8 in Message Broker Software
Best for Hybrid event mesh deployments Managed AWS queues
Pricing model Free plan + paid Free plan + paid
Starting price Free plan · 30-day trial —
Free plan ✓ ✓
Free trial 30 days —
Deployment Cloud, Self-hosted Cloud
Platforms Web Web
Support Email, Phone, Tickets, Community · 24/7 Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA SOC 2, ISO 27001, HIPAA, PCI DSS
Integrations 6 integrations 8 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Solace PubSub+ Event Broker 0/1 · Amazon SQS 1/1
Dead-letter queues Not checked yet ✓ (best)
Specs
Deployment model Hybrid Cloud
Delivery guarantees Not checked yet Configurable
Ordering guarantees Not checked yet Per_queue
Maximum message size Not checked yet 1 MB
Supported protocols Not checked yet AWS JSON, AWS Query, HTTPS, TLS
Our review
Pros
  • Supports pub/sub, queues, request/reply, FIFO and dynamic routing
  • Connects through MQTT, AMQP, JMS, REST, WebSockets and Kafka
  • Combines persistent delivery, direct messaging, replay, HA and disaster recovery
  • Standard and FIFO queues support different delivery guarantees
  • Dead-letter queues, redrive, batching, and long polling are built in
  • Integrates with Lambda, SNS, S3, DynamoDB, and other AWS services
Cons
  • Proprietary rather than open source
  • Stream processing is not part of the broker
  • Schema Registry is a separate component
  • Best-effort ordering applies to standard queues
  • Usage-based pricing varies by queue type and request characteristics
  • Designed for AWS environments rather than broad multi-cloud portability
Our verdict

Solace PubSub+ Event Broker routes real-time events between applications, services and devices. It is designed for enterprise event-driven architectures, operational event distribution, hybrid-cloud integration and IoT messaging. Teams can…

Read the review →

Amazon SQS is a fully managed cloud message queuing service for decoupling microservices, distributed systems, and serverless applications. It is suited to teams building around AWS services and accessing queues through the AWS Management…

Read the review →
  1. Solace PubSub+ Event BrokerMessage Broker Software 9.2Free plan · 30-day trial
  2. Amazon SQSMessage Broker Software 8.5Free plan

Strengths and trade-offs

  • Solace PubSub+ Event Broker — where it wins

    • Supports pub/sub, queues, request/reply, FIFO and dynamic routing
    • Connects through MQTT, AMQP, JMS, REST, WebSockets and Kafka
    • Combines persistent delivery, direct messaging, replay, HA and disaster recovery

    Where it doesn't

    • Proprietary rather than open source
    • Stream processing is not part of the broker
    • Schema Registry is a separate component

  • Amazon SQS — where it wins

    • Standard and FIFO queues support different delivery guarantees
    • Dead-letter queues, redrive, batching, and long polling are built in
    • Integrates with Lambda, SNS, S3, DynamoDB, and other AWS services

    Where it doesn't

    • Best-effort ordering applies to standard queues
    • Usage-based pricing varies by queue type and request characteristics
    • Designed for AWS environments rather than broad multi-cloud portability
  • Solace PubSub+ Event Broker9.2/10 · Free plan · 30-day trial

    A broad hybrid event broker for teams connecting applications, services and devices.

    Visit SolaceFull verdict →
  • Amazon SQS8.5/10 · Free plan

    A managed AWS queue service with standard and FIFO delivery options.

    Visit Amazon SQSFull verdict →

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