AWS – Amazon RDS Free Tier now includes db.t3.micro, AWS Graviton2-based db.t4g.micro instances in all commercial regions
Starting today, the Amazon Relational Database Service (Amazon RDS) free tier will include db.t3.micro and AWS Graviton2- based db.t4g.micro instances in all commercial regions. This provides you with more options in addition to the db.t2.micro instance in the current AWS Free Tier for new AWS customers.
Read More for the details.