01 · Research
Crisis response design
Studied human stress reactions during emergency situations to simplify interface steps.
180,000
Active neighbors
< 45 sec
SOS response SLA
96.2%
Alert resolution rate
Overview
The project
in context.
PAH! empowers communities to protect one another through real-time emergency alerts. StartxLabs designed and built a low-latency SOS mobile app that instantly alerts nearby emergency contacts and verified community sentinels with live GPS location tracking and emergency audio streaming.
1-tap SOS triggerReal-time GPS trackingCommunity safety network
The challenge
What was
blocking progress.
During personal safety emergencies or medical incidents, dialing phone numbers is often impossible, requiring a 1-tap silent emergency broadcast.
01
1-tap instant activation triggering emergency alerts without opening complex screens
02
Broadcasting high-precision live GPS location updates even in low-signal areas
03
Notifying designated emergency contacts, trusted neighbors, and nearby response units
04
SafeWalk feature allowing friends to monitor late-night walking journeys in real time
Our solution
How we
approached it.
We built an ultra-reliable emergency response mobile application with silent SOS triggers and live location streaming.
01
Designed 1-tap hold SOS button with accidental trigger prevention timer
02
Built real-time location streaming engine updating contacts every 3 seconds
03
Implemented SafeWalk companion feature with automated destination arrival check-ins
04
Added neighborhood alert feed for reporting local safety hazards and incidents
Delivery process
From discovery
to durable outcomes.
02 · Tech Core
Low-latency SOS trigger
Engineered background location broadcaster resilient to network dropouts.
03 · UI/UX
High-contrast alert UI
Designed clear red/coral emergency interface with haptic feedback confirmation.
04 · Deploy
Community network pilot
Deployed safety network in residential communities and university campuses.
Product gallery
Screens and surfaces
from the build.
Selected visuals from PAH! App - product UI, mobile flows, and delivery artifacts from the engagement.
Scope of work
What we owned.
Emergency mobile app
GPS tracking backend
Low-latency messaging
SafeWalk UX
Key deliverables
PAH! Emergency iOS & Android app
1-tap SOS alert broadcaster
SafeWalk live tracking companion
Neighborhood safety feed engine
Capabilities & stack
FlutterFirebaseWebSocketsGPS SDKPush NotificationsMobile appPublic safetyEmergency SOSSocial impact
Impact
What changed
after launch.
Outcomes from the PAH! App engagement - measured in how teams operated, how the product matured, and what became possible next.
01
Average emergency contact alert response time under 45 seconds
02
Over 180,000 active community members protected across residential neighborhoods
03
Achieved 96.2% emergency alert resolution rate in community trials
04
Empowered women and students with reliable SafeWalk companion tracking
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