Project

Automotive / Navigation / Utilities GPS Speed Tracker Application

Big Speedometer: Real-time Speed Monitoring app

Client Overview 

  • Industry: Automotive, Navigation, Utilities.
  • Company Size: Individual drivers, vehicle enthusiasts, and small mobility app user bases.
  • Key Challenge: Users needed accurate, customizable GPS speed tracking with cross-device support. 
  • Need: Smooth, real-time speed tracking with alerts, multiple units, cloud sync, and monetization. 

 The Challenge

Native apps had unstable GPS readings and limited customization, lacked consistent support for multiple speed units, vehicles, and themes, and did not offer background tracking, subscription models, or cloud sync. 

Our Approach & Solution 

We developed a WhatsApp automation platform that: 

Features:

  • Accurate Real-Time Tracking: Kalman filter smoothing for stable GPS readings.
  • Customizable UI: Multiple vehicle modes, units, and themes.
  • Background Tracking & Monetization: Supports in-app purchases, cloud sync, and multi-language.

Technologies Used

Flutter

Flutter

Firebase Auth

Firebase Auth

GeoLocator

GeoLocator

Key Takeaways 

  • Smooth, accurate speed tracking across Android and iOS. 
  • Customizable UI and subscription model enabled recurring revenue.
  • Clean architecture supports maintenance and future expansion.
  • Visual and audio speed limit alerts improved safety. 

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