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Xurrent IMR vs Spike.sh: catalog facts
Xurrent IMR	Spike.sh
Paid Commercial hosted service with self-serve sign-up.	Paid Paid service with a 14-day free trial that needs no credit card.
Web	Web
Alerts by phone, SMS, push, email, Slack and Microsoft Teams On-call schedules, escalation and playbooks in one place	Alerts by phone, SMS, WhatsApp and Slack Rule-based routing on title, severity and payload priority
Hosted only, with no self-hosted option Recently renamed, so documentation may use both names	Hosted service only Paid after the trial period
Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.