A real-time emergency response platform that connects people in distress with help — instantly, reliably, and at scale across iOS and Android.
Production-ready system built for real-world emergency scenarios.In emergency situations, every second matters. Existing solutions were fragmented — people had to remember numbers, unlock phones, open apps, and navigate UIs at the worst possible moment. The gap between distress and response was costing lives.
Our client needed a platform that eliminated friction entirely. One that worked in low connectivity, alerted the right people instantly, and tracked the user's location in real time — all while being dead simple to operate under extreme stress.
We built a mobile-first SOS platform that compresses the entire emergency response journey into a single gesture. The moment a user triggers the SOS button, an automated chain fires — location is captured, alerts are dispatched, guardians are notified, and a live tracking session begins.
The architecture was built from the ground up for reliability: optimised backend pipelines handle concurrent alerts at scale, while a robust notification engine ensures no message is ever dropped. Every layer was stress-tested for the scenarios where failure is not an option.
We help build real-time, high-reliability systems like this.
Every feature was designed around one question: what does a person in genuine danger actually need?
The moment an SOS is triggered, the event propagates through a low-latency backend pipeline specifically optimised for emergency workloads. Unlike standard API calls, the alert pathway bypasses queue systems entirely — ensuring high-volume periods never delay a critical signal.
Each alert carries a complete payload: precise GPS coordinates, a unique incident ID, user metadata, and a millisecond-accurate timestamp. This ensures every downstream system receives the full picture simultaneously.
The system supports alert escalation: if no guardian acknowledges within a configurable window, the alert is re-broadcast at increasing priority levels.
Location capture begins in the background the moment the SOS fires. The system uses a layered approach: primary GPS for precision outdoors, network-based positioning as a fallback, and cell tower triangulation in zero-signal environments.
Coordinates are streamed to the backend every 5 seconds during an active incident. The guardian map renders these updates smoothly, giving a fluid near-real-time view of the user's movement.
Battery optimisation algorithms reduce GPS polling when the user is stationary, extending device life without sacrificing accuracy during movement.
Notifications are dispatched through a multi-channel redundancy system. Push notifications (APNs for iOS, FCM for Android) fire first for speed, followed immediately by SMS as a guaranteed fallback. In-app alerts surface when the guardian has the app open.
If a push token is stale or the device is offline, the system automatically falls back to SMS within 2 seconds — without any manual intervention.
Notification payloads include the user's name, profile photo, and a direct deep-link that opens live tracking immediately — no navigation required by the guardian.
Users build a prioritised guardian network within the app. Each guardian is assigned a role (primary, secondary, backup) and can have custom notification preferences — ensuring the right person gets the right alert at the right time.
Guardians are onboarded through a simple invite flow. Once accepted, they gain access to the user's emergency profile: medical notes, allergies, and preferred response instructions — critical information in the seconds after an alert.
The guardian dashboard displays the user's live location, incident timeline, and status in a clean, glanceable interface optimised for both phone and tablet screens.
From idea to real-time, scalable systems — we can help you build and launch
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