Dyson
TestRail offers Free Trial, but Shake does not.
TestRail is designed for Large Enterprises, Medium Business and Small Business.
Shake is designed for Freelancers, Medium Business and Small Business.
Pricing details for both TestRail and Shake are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to TestRail includes Jira, ReQtest, Zoho BugTracker, Bug-Track.com, TestCaseLab, Qase, Kualitee, QuAck, Crash Catch and QA touch.
Some top alternatives to Shake includes Ubertesters, Instabug, Airbrake, Sentry, Bugsnag, Usersnap, Bugfender, Rollbar, Honeycomb and Userback.