PagerDuty

PagerDuty is incredibly easy to setup and use. Creating new teams, on-call schedules, and escalation policies can be done in a matter of minutes. You can go from manually looking up people via a google calendar or an excel sheet, to engaging an on-call resource in 2 minutes or less from the great app while you are on the beach.

The integration with Slack is great, no other way to say it. Very useful for incident notifications for those teams that rely heavily on Slack.

The reporting functionality of PagerDuty needs some further enhancements. Obtaining certain data such as "what users are using which contact methods" for example still needs to be provided by contacting their Support team. The filtering of the Visibility console needs work and is currently limited to "All Teams" or a single team.

Integration with CloudWatch, webhooks, Jira is outstanding, functional, and reliable. The application has gotten better over the years I have used it.

Handles real issues in real time with everything you need

Allows on-call individuals to customize their notification scheme to fit their life. Having full control over when, where and how you are "dinged" is just awesome.

It's a little expensive per user if you need simple API things. The rule set for routing isn't as good as VictorOps for the same price point.

PagerDuty is missing a "default route" option like VictorOps has. This is minor, because it's rather trivial to setup an extra account and use that "extra dummy account" as the "Default". I'm counting this as a "con" since we have had to do this for every single deployment of PagerDuty I've worked on where we wish to have alerts go to a team, but not actually notify anyone.

Lastly, business-hours-only alerting is a little weak. (Maybe it has gotten better.) Every implementation I've found, we need to have some sort of queued' alerts which we don't want to wake us up in the middle of the night but we want to or need to know about next business day situation we have had to work hard to implement in PagerDuty.

You can use pager duty for different purpose to get alerted and track the alert till the alert was addressed,
we use it for the alert on service down and failures, so that the product issue can be addressed and fixed at the earliest,

Pagerduty serves this purpose good, it alerts in different mediums and at different levels, and there is a rotation policy, if a level 1 user dose not addresses then it alerts the level 2 user and this rotation gos on till the issue is properly addressed, and there are good features like time tracking, historic analysis , team groping, different alert policies, scheduling the users to be on call, snoozing the alert, escalating to other user, etc

some times the web UI becomes slow, the app version dose not have all the features that the web version has