Amazon SQS Standard versus Amazon SNS Standard

25 Jul 2021

Learn how Amazon SQS Standard differs from Amazon SNS Standard.

Amazon SQS Standard Amazon SNS Standard
Scaling

nearly unlimited

not disclosed (default soft limit depends on region; e.g., 9000 msg/sec in eu-west-1)

Max. message size

256 KB

256 KB

Persistence

up to 14 days

no

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

no

Delivery guarantee

at least once

at least once

Pricing

per message

per message

Protocols

AWS Rest API

AWS Rest API

AWS Integrations

Lambda

Lambda, SQS, webhook

License

AWS only

AWS only

Encryption at rest

yes

yes

Encryption in transit

yes

yes