Pacer Mobile App

Cross-Platform Running Pace Tracker

Android iOS Java Swift GPS Mobile

Overview:
Designed, developed, and published a cross-platform mobile application to help runners monitor and maintain their target pace across various distances, including 1 mile, 5K, and long-distance runs. The app utilized real-time GPS tracking to provide audio and visual alerts when users deviated from their set pace range.

Key Achievements

  • Cross-Platform Development: Developed native Android and iOS apps using Android Studio (Java/Kotlin) and Swift, leveraging platform-specific GPS APIs to ensure accurate pace tracking and low-latency updates.
  • Real-Time Pace Monitoring: Built a real-time pace monitoring engine, enabling runners to receive alerts (via push notifications and sound) when falling behind or exceeding target pace.
  • Intuitive UX Design: Implemented intuitive UI/UX with simple pace input setup, distance selection, and pace range customization to support both casual joggers and competitive runners.
  • App Store Success: Published on both Google Play Store and Apple App Store, achieving over 10,000 downloads on Android and 1,000+ downloads on iOS with a 4.5+ average rating.
  • Continuous Improvement: Collected and analyzed user feedback to push regular updates, improving GPS accuracy and enhancing app stability across devices and OS versions.

Technology Stack

  • Android: Android Studio, Java/Kotlin, Google Play Store
  • iOS: Swift, Xcode, Apple App Store
  • Core Feature: Real-time GPS tracking with audio and visual alerts