CircleCI offers Free Trial, but Jenkins does not.
CircleCI is designed for Large Enterprises, Medium Business and Small Business.
Jenkins is designed for Large Enterprises, Small Business and Medium Business.
The starting price of CircleCI begins at $39/Month, while pricing details for Jenkins are unavailable.
Some top alternatives to CircleCI includes Codeship, Semaphore, GitLab, Bamboo, AutoRABIT CI, Buildkite, CloudBees Core, Travis CI, AppVeyor and Bitbucket.
Some top alternatives to Jenkins includes and undefined.