Yes, both OnPage and TaskCall offer a Free Trial.
OnPage is designed for Large Enterprises, Medium Business and Small Business.
TaskCall is designed for Large Enterprises, Medium Business and Small Business.
Pricing for OnPage Starts at $13.99/User/Month when yearly whereas for TaskCall Starts at $9/User/Month.
Some top alternatives to OnPage includes Freshservice, VictorOps, Amixr, AlertOps, Spike.sh, TaskCall, Mission Manager, Incident.io, StatusCast Incident Management, PagerTree and ResQ.
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.