Schedulers is great, it gives various tools to setup a Oncall, Maintenance, ... planning.
in the other Hand Squadcast provides form for SLA and Postmortems, Integration of alerts with Slack, Github, Circle CI.
Also, Escalation is what's I really like about Squadcast! It covers Push Notifications, SMS, and Calling as you scheduled on schedulers.
For measuring KPIs on Dashboard it gives s MTTA and MTTR which shown average time of Alerts Acknowledgments and Alerts Resolving.
One thing they saw on their Software support beforehand is Feature request form! It's so relevant and helpful.
Creating teams (squads) is kind of cool too, it is fast and easy to setup your team and give a try. Review collected by and hosted on G2.com.