Yes, both TaskCall and PagerDuty offer a Free Trial.
TaskCall is designed for Large Enterprises, Medium Business and Small Business.
PagerDuty is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TaskCall Starts at $9/User/Month whereas for PagerDuty Starts at $10.
Some top alternatives to TaskCall includes Freshservice, PagerDuty, xMatters, VictorOps, YetiCloud, Spike.sh, Lightstep Incident Response, Mission Manager, Incident.io, StatusCast Incident Management and ResQ.
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.