DynamoDB is quite inexpensive at low usage levels. The Free Tier gives you: "25 GB of Storage, 25 Units of Read Capacity and 25 Units of Write Capacity – Enough

DynamoDB is quite inexpensive at low usage levels. The Free Tier gives you: "25 GB of Storage, 25 Units of Read Capacity and 25 Units of Write Capacity – Enough to handle up to 200M requests per month" DynamoDB's free tier doesn't expire after 12 months. (Source: http://aws.amazon.com/free/ http://aws.amazon.com/free/)