Yes, both Spike.sh and OnPage offer a Free Trial.
Spike.sh is designed for Medium Business and Small Business.
OnPage is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Spike.sh Starts at $6.4/user/month when yearly whereas for OnPage Starts at $13.99/User/Month when 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 OnPage includes Freshservice, VictorOps, Amixr, AlertOps, Spike.sh, TaskCall, Mission Manager, Incident.io, StatusCast Incident Management, PagerTree and ResQ.