Yes, both PagerDuty and Opsgenie offer a Free Trial.
PagerDuty is designed for Large Enterprises, Medium Business and Small Business.
Opsgenie is designed for Large Enterprises, Medium Business and Small Business.
Pricing for PagerDuty Starts at $10 whereas for Opsgenie Starts at $9/User/Month when Billed Yearly.
Some top alternatives to PagerDuty includes Freshservice, xMatters, Opsgenie, VictorOps, YetiCloud, AlertOps, Splunk On-Call, Splunk Enterprise, ServiceNow Customer Service Management, Zenduty and StatusCast Incident Management.
Some top alternatives to Opsgenie includes Freshservice, Jira Service Desk, PagerDuty, VictorOps, Amixr, AlertOps, Splunk On-Call, Spike.sh, Mission Manager, StatusCast Incident Management and PagerTree.