Compare software

Xurrent IMRSIGNL4
Paid

Commercial hosted service with self-serve sign-up.

 Paid

Commercial subscription service; see the SIGNL4 website for plans.

Web Android, iOS, Web
  • Alerts by phone, SMS, push, email, Slack and Microsoft Teams
  • On-call schedules, escalation and playbooks in one place
  • Alerts by push, text, voice and email with escalation
  • On-call scheduling and call routing in one service
  • Hosted only, with no self-hosted option
  • Recently renamed, so documentation may use both names
  • Hosted commercial service rather than self-hosted software
  • Aimed at teams and organisations, not individuals
Hosted service Downloadable app, Hosted service
Closed source Closed source
License not stated License not stated
Account needed Account needed
Needs internet Not stated if it works offline

Checked September 23, 2026

Checked October 1, 2026

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