I'm guessing the appeal of such services is "hassle-free" deployment? Because I really don't get it.
My DigitalOcean instance is 2 GB RAM, 30 GB disk. With backups it costs $11.40/month. And yes, I'm free to run whatever on it, be it Postgres or Redis or...
To have an equivalent on Render would be 3-4 times more expensive?