Yes, both CircleCI and DevScore offer a Free Trial.
CircleCI is designed for Large Enterprises, Medium Business and Small Business.
DevScore is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CircleCI Starts at $39/Month whereas for DevScore Starts at $10/Month.
Some top alternatives to CircleCI includes Codeship, Semaphore, GitLab, Bamboo, AutoRABIT CI, Buildkite, CloudBees Core, Travis CI, AppVeyor and Bitbucket.
Some top alternatives to DevScore includes Quick Base, Internal, Catalytic, DOCOVA, Appy Pie, DrapCode, Codeless, Code2, Cheat Layer, Codebots and Automate Studio.