Short answer: Incident.io and Splunk On-Call come from different eras. Incident.io is a modern, premium, Slack-native incident-management platform, while Splunk On-Call (formerly VictorOps) is a legacy alerting and on-call tool tied to Splunk and now under Cisco. If you want polished incident response in Slack, Incident.io leads; if you want alerting close to Splunk observability, Splunk On-Call fits. But Incident.io is expensive and Splunk On-Call has an uncertain future, so the balanced choice for most teams is Pagerly.
| Need | Best of these two | Better option |
| Polished Slack-native incidents | Incident.io | Pagerly for value |
| Alerting close to Splunk | Splunk On-Call | Pagerly |
| On-call plus incidents at flat pricing | Neither | Pagerly |
Incident.io is a premium, Slack-native incident-management platform with a polished experience covering the full lifecycle: declaring incidents in Slack, roles and severities, status pages, workflow automation, and its own on-call product. Teams choose it when they want a comprehensive, well-designed incident tool and have the budget. The trade-off is cost: it is priced per seat or responder at the premium end, so the bill grows with your responder count. See our full Incident.io comparison.
Splunk On-Call began as VictorOps and now sits inside Splunk under Cisco. It covers on-call schedules, escalation, an incident timeline, and multi-channel notifications, and pairs naturally with Splunk observability. The concerns are direction and modernity: an uncertain standalone roadmap after the Cisco acquisition, per-user pricing, and a workflow that lives outside Slack. It is best for existing Splunk shops that want alerting near their observability data.
These two solve different halves of the incident lifecycle. Splunk On-Call is alert-first: get the right person paged, ideally from Splunk data. Incident.io is response-first: run the declared incident cleanly in Slack, with roles, status pages, and automation. Compared on modern incident workflow, Incident.io wins decisively; compared on alerting tied to Splunk, Splunk On-Call fits better. But putting them together means a premium incident platform plus a legacy alerting tool with an uncertain future, two bills and two philosophies. A single modern platform that does both alerting and incident response is the cleaner answer.
| Feature | Incident.io | Splunk On-Call | Pagerly |
| Slack-native incidents | Strong | Limited | Strong |
| On-call scheduling | Yes | Yes | Yes, in Slack |
| @oncall usergroup sync | Limited | No | Yes, automatic |
| AI post-mortems | Partial | No | Yes |
| Roadmap certainty | Stable | Uncertain | Stable |
| Pricing model | Per responder | Per user | Flat per team |
Incident.io is modern but premium, and Splunk On-Call is legacy with an uncertain future. Pagerly gives you modern, Slack-native on-call and incident response at flat pricing. It is used by more than 1,000 organizations, including teams at 1Password, Disney+, Spotify, and Loom.

Score any tool on five traits: full workflow inside Slack, predictable pricing rather than per seat, automatic @oncall usergroup sync, modern AI-assisted incident response, and painless import of your existing schedules. Incident.io nails the Slack workflow but is premium; Splunk On-Call is legacy with roadmap risk. Pagerly hits all five at flat pricing.
Incident.io prices per responder and Splunk On-Call per user, so both scale with headcount. Pagerly's flat per-team pricing from 19 US dollars per month, plus 4 US dollars per user for paging, stays predictable as you grow.
Add Pagerly to Slack, import your schedules from the docs, enable @oncall usergroup sync, validate paging, then cut over. Most teams migrate in a single afternoon.
Is Incident.io an alerting tool? It is primarily incident management with its own on-call, strongest on Slack-native response rather than legacy alerting.
Is Splunk On-Call being sunset? It has not been fully discontinued, but its standalone future under Cisco is uncertain, prompting migrations.
What is the balanced choice? Pagerly, which does on-call and incident response in Slack at flat per-team pricing from 19 US dollars per month. See pricing.
Can I import my schedules? Yes, per the docs.
Choose Incident.io if you want a premium, polished incident platform and have budget, or Splunk On-Call only if Splunk coupling outweighs its uncertain future. For most teams the better answer is a modern, Slack-native platform that covers both alerting and incident response at flat pricing. That is Pagerly. Compare Pagerly vs Incident.io, check the pricing, or read the docs, then add Pagerly to Slack for free.