Opsgenie is retiring soon. Move to SIGNL4 today and stay alerted. Learn how.

Turn Alerts Into Action

Ensure the right person responds instantly – anywhere

Dashboard in Alerting App SIGNL4

Alerting and Response for Modern Operations

SIGNL4 on Google Play SIGNL4 on Apple iTunes

Problem detection doesn’t ensure action.

  • sPeople are away from their desk
  • sSimple notifications get missed, ignored, or delayed
  • sCritical alerts don’t reach the right people
  • sAlert fatigue increases
  • sOwnership is unclear
  • sClear Responsibility is missing

Built for the heroes who keep everything running

SIGNL4 ensures every critical alert and incident triggers immediate action – anywhere. The right people on duty are notified instantly and reliably, alert notification delivery is tracked, acknowledgements are processed, escalations happen automatically, and response is guaranteed. Every action is tracked – delivering full transparency and accountability.

Faster Incident Response

%

Less Unexpected Downtime

%

Less False Alerts

Alerting and Responding App SIGNL4

Reliable. Mobile. Automated.

Reliable
Alerting

  • RFilters Events, Cuts Noise
  • RAlerts You Can’t Miss
  • RInstant Acknowledgement Tracking
  • RFully Automated Escalations

Mobile
Incident Response

  • RMobile-First Response App
  • RReal-time Incident Chat
  • RActive Stakeholder Communication
  • RPostmortem Reports

Automated
On-Call Management

  • ROn-Call Scheduling
  • RReal-time "Who is on call"
  • RRoutes alerts to on-call personnel
  • RAfter-Hours Voice Call Routing
SIGNL4 ist ISO 27001 zertifiziert
DORA
Derdack SIGNL4 ist TISAX zertifiziert
GDPR
EU-Hosted
We fulfill the requirements of GDPR, ISO 27001 ,DORA ,TISAX
Functional Diagram of how SIGNL4 works
Functional Diagram of how SIGNL4 works

Use Cases

SIGNL4 is the mobile-first operational alerting and response platform for mission-critical infrastructure and environments – ranging from IT and security operations to industrial OT systems.

200+ Integrations

With 200+ tested and trusted integrations, SIGNL4 is the alerting and response platform for your entire stack. It connects to any system in your mission-critical infrastructure stack – using email, webhooks, REST APIs, and powerful two-way connectors.

SIGNL4 alerting software connects effortlessly with your existing tools
G2 has recognized SIGNL4 as one of the Best German Software Companies
G2 recognizes SIGNL4 as a High Performer
SIGNL4 got the best results for alerting according to G2
G2 recognizes SIGNL4 for delivering the Best ROI in alerting
SIGNL4 is the most implementable Alerting Software according to G2

“Thanks to SIGNL4, we have an automated, reliable and fast alerting process for our baggage handling system and other critical systems.”

Thomas Knöfler
Head of TF2 Flight Operations BER

„SIGNL4, is a highly intuitive seamless mobile control system for intra-logistics processes. We were looking for an attractive visualization that enables a smooth change management within the teams. Changing process is always a challenge but the greatest sceptics soon became the greatest fans of SIGNL4.”

Victor Kaupe
Project Management Logistics EMEA, BASF Coatings

„SIGNL4 has revolutionized our IT alerting process. It’s fast, reliable, and ensures critical incidents are addressed in real time. The ease of integration and outstanding support have made it an invaluable tool for our teams.”

Todd Ochsenbein
CTO, RedIron

„SIGNL4 is a modern solution with a simple, intuitive look and feel.”

Lilo Hartmann
Head Fraud Prevention, Swiss Bankers

„The mobile app was a big selling feature. A single button to acknowledge an alert, clear escalation rules, and overrides for critical incidents make all the difference.”

Kyle Bates
Cyber Security Analyst, Conexus Credit Union

Next Steps

Start your free 30-day trial of mobile-first operational alerting and response

What’s new: Insights and Use Cases

Why SIGNL4?

Modern monitoring and control systems can detect incidents quickly across infrastructure, cloud environments, security platforms, and IoT systems – but alerts alone do not guarantee that someone responds. Simple notifications sent via email, SMS, or chat are often missed, delayed, or ignored, especially outside working hours.

SIGNL4 acts as the reliable, mobile-first response layer for modern operations, closing the gap between alert detection and incident response and resolution.

It ensures every critical alert and incident is reliably communicated, owned, acknowledged, escalated and resolved.

The platform provides key capabilities such as event triage, automated alerting workflows, mobile alerting via push, text and voice, instant escalation, on-call scheduling, and real-time acknowledgment tracking. Alerts are tracked and escalated automatically until a responder takes ownership, ensuring that incidents are never left unattended.

SIGNL4 integrates with monitoring tools, cloud services, security platforms, and industrial systems, enabling seamless alerting and response workflows across environments.

By turning alerts into coordinated anywhere action, SIGNL4 helps organizations with mission-critical infrastructure to reduce downtime, accelerate incident resolution, and maintain reliable mission-critical systems.

Mobile Alerting and Response for Modern Operations

Resources

Feature Overview

A comprehensive Platform for mobile Alerting for an up to 10x faster Response

AIOps and AI Alerting

AI-powered Alerting and Alert & Incident Management

Reliable Alert Notifications

Alert Notifications by push, text, voice and email. With Tracking and Escalations

Mobile Alerting App

The modern Way of receiving and managing critical Alerts on-the-go

On-Call Scheduling

AI-powered Scheduling and Management of On-Call Duties and Shifts

Call Routing

Live call routing and a Voice Mailbox for modern after-business Hours Operations

Active Stakeholder Communication

Automatically deliver real-time incident updates to your Stakeholders

Use Cases

IT Alerting

Minimize downtime with automated real-time IT alerting

Incident Management

Accelerate response, and streamline incident workflows with real-time mobile alerts

SecOps Alerting

Respond faster to cyber threats with mobile-first alerting

Incident Alerting for MSPs

Turn Detection into Accountable Response

    IoT Service Alerting

    Automatically alert field teams based on real-time IoT signals

    SCADA Alarm Notifications

    Respond faster to machine breakdowns, quality issues, and maintenance calls

    Field Service Alerting

    Automated Mobile Routing of Service Requests and Alerts to Field Teams

    On-Call Management

    Create duty schedules, automate alerts, and route after-hours calls

    Building Automation

    Ensure fast response, fewer disruptions, and better facility management and service

    After-Hours Call Routing

    SIGNL4 automatically routes after-hours calls to on-call staff for fast response and 24/7 coverage

    Emergency Alerting

    Fast, reliable emergency alerts when every second counts

    Alert Management

    Streamline enterprise alerting with a centralized alert hub

    Integrations and APIs

    Integrations Overview

    We have verified and tested 200+ Integrations with 3d Party Products

    EMail (SMTP)

    The fastest and easiest way to connect to SIGNL4.

    Webhook

    SIGNL4’s most popular and flexible integration

    REST API

    Seamlessly integrate services or implement additional features

      Selected Customer Case Studies

      Berlin-Brandenburg Airport, Germany

      Automated Alerts and Mobile Incident Response for Luggage Transportation Systems

      BASF Coatings, Germany

      Automated Transport Dispatching with IoT Buttons and a mobile App for optimized Intralogistics

      RedIron, Canada

      Unifying Alerts and Notifications in mission-critical IT Operations

      BSH Hausgeräte GmbH, Germany

      Keeping production running at 10,000 dishwashers per day

      CSP Lighthouse, Australia

      Reliable 24/7 Alerting for a global Cybersecurity Service Provider

        Swiss Bankers, Switzerland

        Real-Time Fraud Prevention with 24/7 mobile alerting in Financial Services Operation

        Conexus Credit Union, Canada

        Conexus transformed Incident Response in a Single Day with SIGNL4

        exo, Canada

        Exo ensures critical alerts reach the right people, even at night

        Overview of Industries

        Exciting case studies from selected customers in sectors such as logistics, aviation, manufacturing, finance and IT

        About us

        About Derdack & SIGNL4

        Learn more about a Market Leader in mobile Alerting and Anywhere Incident Response for critical Systems

        Partner Program

        Become a SIGNL4 Partner and take Advantage of a well-established and rapidly growing Product

        Newsletter

        Get Updates, exciting Insights, and Customer Stories – Sign up for our Newsletter!

        Glossary

        We explain the most important Terms and Topics in the Field of Alerting and Incident Management

        Blog

        Our blog offers expert insights and practical tips for getting the most out of SIGNL4

          G2 recognizes SIGNL4 with Fall Badges
          DERDACK SIGNL4
          Privacy Overview

          This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.