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Best IT Alerting Software in 2026

  1. 1

    AlertOps

    Free plan AndroidAPIiPhone+1

    AlertOps combines alert routing and incident workflows with a free tier and paid plans. Check user limits and retention periods against your team's needs.

    7.6 Free plan · paid from $10/user/mo · 14-day trial Visit site
  2. 2

    Better Stack

    Free plan AndroidAPIiPhone+1

    Better Stack combines incident response and monitoring with telemetry, error tracking, and status pages.

    7.6 Free plan · paid from $29/mo (annual) Visit site
  3. 3

    Cronitor

    Free plan APILinuxWeb

    Cronitor covers scheduled jobs, uptime checks, heartbeats, and status pages, with a free plan and a listed trial.

    7.4 Free plan · paid from $2/mo · 14-day trial Visit site
  4. 4

    Grafana Cloud Application Observability

    Free plan AndroidAPIExtension+5

    Grafana Cloud Application Observability brings several telemetry types and service-level views together for application investigation.

    7.4 Free plan · paid from $0.03 Visit site
  5. 5

    ilert

    Free plan AndroidAPIiPhone+1

    ilert brings response workflows, on-call coordination, and status communication into one platform. Teams considering the free plan should account for its hard monthly notification limit.

    7.4 Free plan · 14-day trial Visit site
  6. 6

    GoAlert

    Free plan APISelf-hostedWeb

    GoAlert brings alert routing, on-call rotations, and escalation into a self-hosted package with several intake and notification options.

    7.3 Open source Visit site
  7. 7

    incident.io

    Free plan AndroidAPIiPhone+2

    incident.io combines on-call, response coordination, and status updates, with plan options from a free tier to custom-priced Enterprise.

    7.3 Free plan · paid from $15/user/mo (annual) Visit site
  8. 8

    FireHydrant

    Free plan APIWeb

    FireHydrant combines on-call, incident actions, automation, and retrospectives, with a free plan and a Pro trial.

    7.2 Free plan · paid from $25/mo (annual) · 14-day trial Visit site
  9. 9

    PagerDuty

    Free plan AndroidAPIiPhone+5

    PagerDuty brings incident response, on-call coordination, integrations, and workflow automation together.

    7.2 Free plan · paid from $21/user/mo (annual) · 14-day trial Visit site
  10. 10

    PagerTree

    Free plan AndroidAPIiPhone+2

    PagerTree brings on-call scheduling, escalation policies and alert handling together, with several notification channels and SAML-based single sign-on.

    7.2 Free plan · paid from $15/user/mo · 14-day trial Visit site
  11. 11

    Prometheus

    Free plan LinuxMacSelf-hosted+2

    Prometheus provides a free monitoring and alerting toolkit with flexible metric collection and querying. Its stated accuracy limitation makes it unsuitable for per-request billing workloads.

    7.1 Free plan Visit site
  12. 12

    SIGNL4

    Free plan AndroidAPIiPhone+1

    Choose SIGNL4 if your organization needs incident alerts, on-call response and escalation handling across mobile and connected systems.

    7.0 Free plan · paid from $9/user/mo · 30-day trial Visit site
  13. 13

    xMatters

    Free plan AndroidAPIiPhone+3

    Choose xMatters if your DevOps, SRE, or operations team needs automated incident workflows, alert handling, and reporting across connected tools.

    6.9 Free plan · paid from $15/user/mo (annual) Visit site
  14. 14

    Alertmanager

    Free plan LinuxMacWeb+1
    6.7 Free plan Visit site
  15. 15

    Opsgenie

    Free plan AndroidiPhoneWeb

    Choose Opsgenie if your team needs incident scheduling, escalation and handoff tools across web and mobile. The free plan covers up to 5 users; Enterprise includes 24/7 email and phone support.

    6.3 Free plan · paid from $9.45/user/mo (annual) Visit site
  16. 16

    OnPage

    Free trial AndroidAPIiPhone+1

    OnPage focuses on routing urgent notifications and coordinating responders through messaging, scheduling, and escalation tools.

    6.2 From $13.99/user/mo (annual) · 7-day trial Visit site
  17. 17

    ManageEngine AlarmsOne

    Free plan AndroidiPhoneWeb
    6.1 Free plan · pricing on request Visit site
  18. 18

    Rootly

    Free trial AndroidAPIiPhone+1

    Rootly brings incident response, on-call workflows, and AI incident assistance into one platform. The listed Essentials plans start at $20/user/mo, with a 14-day trial and no free plan.

    6.0 From $20/user/mo · 14-day trial Visit site
  19. 19

    Spike.sh

    by Spike.sh
    Free trial AndroidAPIiPhone+1

    Pick Spike.sh if your team needs alert routing, escalation schedules, and configurable status pages in one service.

    5.9 From $7/user/mo · 14-day trial Visit site
  20. 20

    Alerta

    Paid APILinuxSelf-hosted+1

    Choose Alerta if you need a free, open-source system to process alerts from multiple sources, with flexible alert data and customer-specific views.

    5.8 Open source Visit site
  21. 21

    Zenduty

    Free trial AndroidAPIiPhone+1

    Zenduty combines on-call scheduling and incident response with integrations and mobile alerts. Compare team and call/SMS limits across plans before starting the trial.

    5.8 From $6/user/mo (annual) · 14-day trial Visit site
  22. 22

    Everbridge IT Alerting

    Paid AndroidiPhoneWeb
    4.9 Pricing on request Visit site
  23. 23

    Splunk On-Call

    Paid AndroidiPhoneWeb
    4.4 From $5/user/mo (annual) · 14-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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