Mobile Engineering Case Study

Guardtrol

Guard management with facial verification and geofenced patrols.

A guard management companion app covering clock-in/out, break tracking, facial-recognition patrol verification, geofencing, and full offline operation with automatic resync.

Full
Offline Support
Facial + Geofence
Verification
Nationwide (Nigeria)
Deployment
App screenshot
The Problem

Security firms had no reliable way to verify guard patrols, attendance, or location compliance, particularly in low-connectivity environments.

Engineered Solution

Built a Flutter app with facial-verification clock-in/out, geofenced patrol tracking, real-time WebSocket data sync, email alerts, and complete offline-first operation with automatic resync once connectivity returns.

Key Outcome

Deployed to security clients across Nigeria, giving them reliable guard accountability, patrol verification, and audit-ready reporting.

Core Technical Features

Facial-Verification Patrols

Patrol checkpoints verified through facial recognition and geofencing together.

Offline-First with Auto-Resync

Fully functional offline, with automatic data resync once internet is restored.

Real-Time WebSocket Sync

Clock-in/out and patrol data sync instantly to the management dashboard.

Architecture Patterns
  • Clean Architecture
  • Offline-First Data Layer with Auto-Resync
  • WebSocket-based Real-Time Sync
Technologies & Libraries
Flutter
Dart
Facial Recognition
Geofencing
WebSockets

Need a high-performance Flutter app?

I specialize in turning product ideas into scalable, App Store-ready mobile applications.

Get In Touch