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Head-to-head · IT Alerting Software

Opsgenie vs Alertmanager

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Opsgenie #2 in IT Alerting Software 9.2/10 Free plan Free plan✓ 1 of 5 features Visit Opsgenie
Alertmanager #6 in IT Alerting Software 8.7/10 Free plan Free plan✓ 0 of 5 features Visit Alertmanager

Opsgenie leads on 0 checks, Alertmanager on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpsgenie · 9.2/10
  • Free planboth
  • Most featuresOpsgenie · 1 of 5

Opsgenie scores higher on our rubric for it alerting software: 9.2 against 8.7 out of 10; our editors rank them #2 and #6.

Opsgenie is the better fit for existing teams needing scheduled on-call alerting. Alertmanager is the better fit for teams routing alerts from self-hosted Prometheus.

  • Opsgenie fits best

    Existing teams needing scheduled on-call alerting

  • Alertmanager fits best

    Teams routing alerts from self-hosted Prometheus

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Side by side

Feature Opsgenie 9.2/10 Visit ↗ Alertmanager 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in IT Alerting Software #6 in IT Alerting Software
Best for Existing teams needing scheduled on-call alerting Teams routing alerts from self-hosted Prometheus
Pricing model Free plan + paid Free
Starting price $9.45/user/mo Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Self-hosted
Platforms Web, iOS, Android Web, Windows, macOS, Linux
Support Email, Phone, Community, Docs · 24/7 Community, Docs
Integrations 200+ integrations 17 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Opsgenie 1/5 · Alertmanager 0/5
On-call scheduling Not checked yet Not checked yet
Escalation policies ✓ (best) Not checked yet
Alert acknowledgment Not checked yet Not checked yet
Incident status pages Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Specs
Alert source integrations Not checked yet Not checked yet
Our review
Pros
  • Recurring rotations, overrides, and forwarding rules support schedule changes.
  • Escalation policies can respond to acknowledgement or closure state.
  • Email, SMS, voice, and mobile push notifications cover multiple channels.
  • Deduplicates and groups alerts before notification.
  • Routing trees direct notifications to configured receivers.
  • Supports silencing, inhibition and high-availability clustering.
Cons
  • New signups and sales ended on June 4, 2025.
  • Atlassian plans to shut off access after April 5, 2027.
  • Advanced incident management and collaboration are limited to Enterprise.
  • No native on-call scheduling.
  • Requires self-hosted deployment and configuration.
  • Support is through community resources and documentation.
Our verdict

Opsgenie provides on-call scheduling, alerting, and incident management for development, IT operations, and other technical teams. Recurring daily, weekly, and custom rotations help organize coverage, while schedule overrides and…

Read the review →

Alertmanager handles alerts in the Prometheus ecosystem, receiving them from Prometheus and other clients before sending notifications to configured receivers. It is a fit for teams that operate their own monitoring infrastructure and need…

Read the review →
  1. OpsgenieIT Alerting Software 9.2Free plan
  2. AlertmanagerIT Alerting Software 8.7Free plan

Strengths and trade-offs

  • Opsgenie — where it wins

    • Recurring rotations, overrides, and forwarding rules support schedule changes.
    • Escalation policies can respond to acknowledgement or closure state.
    • Email, SMS, voice, and mobile push notifications cover multiple channels.

    Where it doesn't

    • New signups and sales ended on June 4, 2025.
    • Atlassian plans to shut off access after April 5, 2027.
    • Advanced incident management and collaboration are limited to Enterprise.

  • Alertmanager — where it wins

    • Deduplicates and groups alerts before notification.
    • Routing trees direct notifications to configured receivers.
    • Supports silencing, inhibition and high-availability clustering.

    Where it doesn't

    • No native on-call scheduling.
    • Requires self-hosted deployment and configuration.
    • Support is through community resources and documentation.

More comparisons

All IT alerting software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update