Yes, both Appcircle and AppVeyor offer a Free Trial.
Appcircle is designed for Individuals, Large Enterprises, Medium Business and Small Business.
AppVeyor is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Appcircle Starts at $39 whereas for AppVeyor Starts at $29.
Some top alternatives to Appcircle includes Nwicode, Codeship, AppAchhi, Semaphore, Travis CI, AppVeyor, Bitrise, Codemagic and Codeless.
Some top alternatives to AppVeyor includes Codeship, Semaphore, GitLab, CircleCI, Bamboo, Buildkite, Travis CI, Razorops and GitlabRunner.