SIGNL4 is described as 'Mobile-app-based alerting service. It provides persistent, traceable mobile notifications and reliably routes critical alerts, incidents and events to staff on duty. It directly links operations teams with critical IT, OT and IoT systems' and is an app. There are more than 10 alternatives to SIGNL4 for a variety of platforms, including Android, iPhone, Web-based, iPad and SaaS apps. The best SIGNL4 alternative is Pushover. It's not free, so if you're looking for a free alternative, you could try PagerDuty or Signalgrid. Other great apps like SIGNL4 are All Quiet, TaskCall, xMatters and OpenDuty.
Squid Alerts allows your team to manage their on-call schedule and setup escalation chains to forward your alerts to the right person through SMS, voice, email, and push notifications.
One POST request, every device: PushPig delivers push notifications to web browsers, Android and email through a single REST API.
Secure iPhone client for Zabbix environments with direct API reads, problem triage, hosts, items, charts, dashboards, and optional APNs alerts.
Callgoose SQIBS is a next-gen IT automation & incident management platform. It offers real-time alerts, auto-remediation, on-call scheduling & seamless integrations.
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