Amazon SNS Standard versus AWS IoT Core

12 Jan 2021

Learn how Amazon SNS Standard differs from AWS IoT Core.

Amazon SNS Standard AWS IoT Core
Scaling

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

not disclosed

Max. message size

256 KB

128 KB

Persistence

no

up to 1 hour

Replication

Multi-AZ

Multi-AZ

Order guarantee

no

no

Delivery guarantee

at least once

at least once / at most once

Pricing

per message

per message + connection duration

Protocols

AWS Rest API

MQTT, AWS Rest API

AWS Integrations

Lambda, SQS, webhook

Lambda, SQS, SNS, and many more

License

AWS only

AWS only

Encryption at rest

yes

no

Encryption in transit

yes

yes