Yes, both Datadog APM and Blink offer a Free Trial.
Datadog APM is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Blink is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Blink begins at $3.40/User/Month when Billed Yearly, while pricing details for Datadog APM are unavailable.
Some top alternatives to Datadog APM includes Retrace, Scout APM, New Relic APM, Nastel AutoPilot, AppDynamics, Dynatrace, Instana, Thundra APM and APImetrics.
Some top alternatives to Blink includes Deel, Synergita, Nvolve Engage, emplo, WorkJam, Cooleaf, WorkTango, SurveyMonkey Engage, Workmates, Wrkit, Honestly Employee Engagement, EngageRocket, EngageWith, Kudos, Motivosity, Leapsome and Workvivo.