Last Seen Up icon

Last Seen Up

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Uptime, heartbeat, SSL and domain monitoring that pages you before your customers do.

Web iPhone iPad Apple Watch

About Last Seen Up

Last Seen Up screenshot
Uptime Heartbeats SSL & Domains Laravel Inertia & React Redis & Horizon SwiftUI
Last Seen Up icon

Last Seen Up

Proof: one backend, web and native iOS

A hosted uptime and heartbeat monitoring service — one Laravel app serving both an Inertia + React dashboard and a native iOS client from a shared domain layer, so a feature reaches the browser and the iPhone at the same time. Probes HTTP, TCP, DNS, ICMP, SSL certificates, domain registrations and cron heartbeats, and a failure has to repeat on consecutive checks before an incident opens. Alerts climb from a Time Sensitive push to an actual phone call until somebody acknowledges.

One codebase, two clients Double-checked failures Escalates to a phone call Subscriptions & billing
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Last Seen Up dashboard on iPhone Last Seen Up monitors list on iPhone Last Seen Up uptime and latency history on iPhone Last Seen Up open incident on iPhone
Last Seen Up icon

Last Seen Up

Uptime & Heartbeat Monitoring

Watches your servers, sites, queues and cron jobs, and wakes you when something stops responding. Alerts arrive as Time Sensitive notifications you can acknowledge or snooze without opening the app, an open incident counts up on the Lock Screen and in the Dynamic Island, and widgets keep your worst monitor in view.

Live Activities Heartbeats Widgets Complications Escalation SwiftUI Passkeys
iPhone iPad Apple Watch

Have an app idea of your own?

I build web, iPhone and desktop apps like these, usually from napkin sketch to working prototype in under two days.

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