Google Cloud SQL for PostgreSQL vs Heroku Postgres: What are the differences?
Google Cloud SQL for PostgreSQL: Fully-managed database service- set up, maintain, manage, and administer your relational PostgreSQL databases in the cloud. Cloud SQL offers high performance, scalability, and convenience. Hosted on Google Cloud Platform, Cloud SQL provides a database infrastructure for applications running anywhere; Heroku Postgres: Heroku's Database-as-a-Service. Based on the most powerful open-source database, PostgreSQL. Heroku Postgres provides a SQL database-as-a-service that lets you focus on building your application instead of messing around with database management.
Google Cloud SQL for PostgreSQL and Heroku Postgres belong to "PostgreSQL as a Service" category of the tech stack.
According to the StackShare community, Heroku Postgres has a broader approval, being mentioned in 74 company stacks & 39 developers stacks; compared to Google Cloud SQL for PostgreSQL, which is listed in 19 company stacks and 6 developer stacks.