packagecloud.io vs AWS CodeArtifact: What are the differences?

packagecloud.io: apt, yum, and rubygems repositories with powerful tooling, security and automation. Install packages with apt-get install, yum install or gem install exactly like you do now. No additional software required. Track, analyze and control access to your packages. Programmatically issue and revoke credentials with our API; AWS CodeArtifact: A fully managed software artifact repository service. It is a fully managed software artifact repository service that makes it easy for organizations of any size to securely store, publish, and share packages used in their software development process. It eliminates the need for you to set up, operate, and scale the infrastructure required for artifact management so you can focus on software development.

packagecloud.io and AWS CodeArtifact belong to "Hosted Package Repository" category of the tech stack.