18.4
Grafana Cloud Application Observability is a cloud application monitoring product that uses OpenTelemetry and Prometheus data to help software…
Free planAndroidiOSWeb
Best IT Alerting Software in 2026
IT alerting software helps teams receive operational alerts, route them to responders and track incidents. The chart covers tools with features such as on-call scheduling, escalation policies, alert acknowledgment, incident status pages and alert-source integrations. Compare the listed free plan, paid-from price and trial terms. If you need phone access, check the platform details for Android or iOS rather than…
28.3
PagerDuty manages incidents from detection through resolution with automation and real-time collaboration.
Free planAndroidiOSWeb
38.3
xMatters is incident management software for DevOps, SRE, and operations teams coordinating responses to service issues.
Free planAndroidiOSWeb
- 4
PagerTree
PagerTree helps teams share on-call duties and respond to incidents.
Free planAndroidiOSWebAPI8.2From $15 a month - 5
AlertOps
AlertOps is an incident orchestration platform for teams that coordinate on-call response across multiple tools.
Free planAndroidiOSWebAPI8.1From $8 a month - 6
Better Stack
Better Stack is a platform for incident management, on-call work, uptime monitoring, status pages, telemetry, error tracking, and real user monitoring.
Free planAndroidiOSWebAPI7.6From $29 a month - 7
incident.io
incident.io is a software reliability platform for investigating, responding to, and preventing incidents.
Free planAndroidiOSWebAPI7.6From $15 a month - 8
ilert
ilert combines alerting, on-call management, incident response, and status pages in an incident management platform.
Free planAndroidiOSWebAPI7.4From $39 a month - 9
SIGNL4
SIGNL4 is a cloud-based incident management and alerting platform for handling incidents from notification through response.
Free planAndroidiOSWebAPI7.3From $9 a month - 10
Spike.sh
Spike.sh is an incident management and alerting platform for responding to service problems.
AndroidiOSWebAPI7.2From $7 a month - 11
Rootly
Rootly is an AI-native platform for on-call operations and incident response for engineering teams.
AndroidiOSWebAPI7.1From $20 a month - 12
OnPage
OnPage routes high-priority notifications to on-call responders according to schedules and configured policies.
AndroidiOSWebAPI7.0From $13.99 a month - 13
Zenduty
Zenduty is a cloud service for on-call teams, combining alerts, schedule management, and escalation policies with incident response and post-incident work.
AndroidiOSWebAPI6.9From $6 a month - 14
Cronitor
Cronitor monitors scheduled work and service health, covering cron jobs, background workers, scheduled agent tasks, websites, APIs, and heartbeats.
Free planWebAPILinux6.8From $2 a month - 15
FireHydrant
FireHydrant is an incident management platform combining on-call scheduling, alerting, automation, incident response, and retrospectives.
Free planWebAPI6.8From $25 a month - 16
Opsgenie
Opsgenie is an incident response and alerting service available on the web, Android, and iOS.
Free planAndroidiOSWeb6.8From $9.45 a month - 17
Prometheus
Prometheus is a free, open-source systems monitoring and alerting toolkit.
Free planWebLinuxmacOSSelf-hosted6.6Free plan - 18
GoAlert
GoAlert is free, open-source software for on-call scheduling, alert routing, and automated escalation.
Free planWebAPISelf-hosted6.1Free plan - 19
Splunk On-Call
AndroidiOSWeb6.0From $5 a month - 20
Alerta
Alerta is a free, open-source alert management system combining a JSON API server, web console, and command-line tool.
WebAPILinuxSelf-hosted5.8 - 21
Everbridge IT Alerting
AndroidiOSWeb5.3 - 22
ManageEngine AlarmsOne
AndroidiOSWeb5.2 - 23
Alertmanager
WebLinuxmacOSWindows5.0
Choosing well
Compare plans and trial terms
Check whether a tool lists a free plan, a free trial or paid access only. Review the paid-from field and whether pricing is per user, per month, usage-based or available on request.
Open-source options such as Alerta and GoAlert publish an open-source pricing note, while other entries use free, freemium or paid models.
Confirm phone and desktop access
Check the platform labels for the devices and systems your team uses. The category includes web, API, Android, iOS, Linux and macOS platforms.
Everbridge IT Alerting lists Android, iOS and web. Other tools may list web, API, Linux, macOS or self-hosted access instead.
Review on-call and escalation controls
Compare on-call scheduling and escalation policies when alerts need a defined responder path. Check how the service records alert acknowledgment so handoffs are visible.
Check incident communication
If you publish service updates during an outage, review whether incident status pages are included. Match that with the alert acknowledgment workflow your team follows.
Match your alert sources
Use the alert source integrations comparison to check how the tool connects to your monitoring and operational systems. Confirm the required integrations before selecting a plan.
Questions people ask
Do these alerting tools have Android apps?
Android availability varies by product. Everbridge IT Alerting lists Android, iOS and web; check the platform field for the tool you are considering.
Can I start with a free plan?
The chart identifies products with a free plan. Check the plan label and its terms, since pricing models include free, freemium and paid access.
Are free trials available?
Trial availability is listed where provided. AlertOps, Cronitor, FireHydrant and ilert note a 14-day trial.
Which alerting features should I compare?
Compare on-call scheduling, escalation policies, alert acknowledgment, incident status pages and alert source integrations.
Are open-source options included?
Yes. Alerta and GoAlert list open-source pricing notes, and Alerta lists API, Linux, self-hosted and web platforms.