Yes, both Spike.sh and Splunk On-Call offer a Free Trial.
Spike.sh is designed for Medium Business and Small Business.
Splunk On-Call is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Spike.sh Starts at $6.4/user/month when yearly whereas for Splunk On-Call Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Spike.sh includes Freshservice, PagerDuty, YetiCloud, Amixr, TaskSift, AlertOps, Mission Manager, FireHydrant, Incident.io, StatusCast Incident Management and ResQ.
Some top alternatives to Splunk On-Call includes Freshservice, PagerDuty, Opsgenie, VictorOps, AlertOps, Spike.sh, opsmanager, Zenduty, StatusCast Incident Management and PagerTree.