Travis CI offers Free Trial, but Phase does not.
Travis CI is designed for Large Enterprises, Medium Business and Small Business.
Phase is designed for and undefined.
Pricing for Travis CI Starts at $69/Month whereas for Phase Starts at $12.00per user / month when Billed Yearly.
Some top alternatives to Travis CI includes Codeship, Semaphore, GitLab, CircleCI, Bamboo, Buildkite, CloudBees Core, AppVeyor and GitlabRunner.
Some top alternatives to Phase includes and undefined.