Amazon RDS vs Redis

Amazon Relational Database Service (RDS) is a managed database service from AWS that supports MySQL, PostgreSQL, MariaDB, Oracle, SQL Server, and Db2 engines. It automates hardware provisioning, database setup, patching, and backups with options for Multi-AZ deployments and read replicas.

Redis is In-memory data store used as a database, cache, and message broker with support for multiple data structures.. It is available under a freemium model. This tool falls under the databases category.