Sig2 Mobile App
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Project Overview
Brand: Sig2Labs
Location: Canada
Industry: Geofence Messaging
Budget: Up to $5,000
Product Link: Google Play Store
Type of Software: Android Mobile App
Scope of Work: Frontend Development, UI/UX Design
Overview
Sig2 provides fast and simple access to sending location-based messages that are read aloud at the right place and time. The app ensures:
✔ Secure Communication – Receive messages only from verified senders.
✔ Easy Setup – Phone number verification for seamless onboarding.
✔ Hands-Free Experience – Messages play automatically upon entering a Geofence area.
✔ Intuitive Controls – One-tap playback, pause, and replay for safe driving.
Technology Stack
Frontend: Kotlin (Android)
Backend: Node.js
SMS Verification: MSG91 Branded SMS Service
Push Notifications: Firebase Cloud Messaging (FCM)
Geofencing: Geofence API for precise location-based triggers
Text-to-Speech (TTS): Smooth & fast audio message delivery




Key Challenges & Solutions
Challenge:
Developing a Geofence-based messaging system with real-time text-to-speech functionality, secure authentication, and an intuitive UI for drivers.
Solution:
Implemented Geofence API for accurate location-based message delivery.
Integrated TTS for seamless audio playback.
Designed one-tap controls (play/pause/skip) for safe driving.
Added multi-language support in settings for broader accessibility.
Ensured token-based authentication for enhanced security.
Key Features
✔ Location-Based Messaging – Messages trigger upon entering a Geofence.
✔ Text-to-Speech (TTS) Integration – Clear and natural voice delivery.
✔ Audio Playback Controls – Play, pause, skip forward/backward.
✔ Secure Authentication – Phone verification + token-based login.
✔ Multi-Language Support – Users can switch message languages.
✔ Firebase Cloud Messaging – Instant push notifications.
Client Review
“Ashish and team were a pleasure to work with. He was not only friendly and responsive to all our queries but also remarkably adaptive when we introduced new requirements mid-way through our project. If you’re seeking a developer who can roll with the punches and adapt to changing demands, Ashish comes highly recommended. I am eagerly looking forward to our next collaboration.”
— Nik Edmiidz
Chief Technology Officer, Sig2 Labs
Business Value Delivered
✅ Enhanced Functionality – Improved Geofence messaging efficiency.
✅ Better User Experience – Smoother navigation & audio controls.
✅ Increased Customer Satisfaction – More intuitive and secure app.
✅ Competitive Edge – Strengthened position against competitors.