There is no charge for using FreeRTOS. FreeRTOS is released under the MIT open source license, a permissive license with limited restrictions on reuse. To learn more about the MIT open source license, click here. To learn more about the FreeRTOS community, click here.
You may incur additional charges with FreeRTOS if your applications utilize other AWS services or transfer data. For example, if a device running FreeRTOS connects to AWS IoT Core, you will be billed for the use of the AWS IoT Core service.
For details on AWS service pricing, see the pricing sections of the relevant AWS service detail pages. Links to pricing for some of the commonly used services are listed below.
AWS IoT Core (If a FreeRTOS device is connected to the AWS IoT Core)
AWS IoT Device Management (If a FreeRTOS device receives OTA updates)
AWS IoT Greengrass (If a FreeRTOS device is connected to AWS IoT Greengrass Core)
Data transfer (If a FreeRTOS device initiates external data transfers to AWS, you will be charged at the EC2 data transfer rate)
Amazon S3 (If a FreeRTOS device uses S3 for storage, requests, and data transfer)
Amazon DynamoDB (If a FreeRTOS device uses DynamoDB for data storage, throughput capacity, and data transfer)