SLO: Smart Speed Camera Alerts for NYC Drivers

buzznog is the result of mobile and web app development services by ropstam solutions

Industry

Smart Mobility & Traffic Technology

Features

  • Car Speed Tracking
  • Speed Camera Management.
  • Violation Avoidance Notifications
  • Savings Statistics
  • User Management: Subscription & Payment Management:
  • Push Notifications & Reminders
  • Customer Support

Technology Stack

React JS
Node JS
AWS
MongoDB
React Native
UI UX design of buzznog by ropstam solutions

About SLO

A Smarter Way to Avoid Speed Camera Fines

Ropstam developed SLO, a full-scale smart mobility platform designed to help New York City drivers minimize speed camera violations through real-time, GPS-driven alerts. The solution enhances driving awareness by offering customizable notifications, session tracking, savings insights, and premium subscription access.
The platform includes:

  • A user-focused iOS app delivering real-time camera alerts and driving insights
  • A web-based admin portal for managing users, cameras, subscriptions, and moderation workflows

Deliverables

  • iOS application (iOS 13.0+) with a real-time alert engine and background GPS functionality
  • React. JS-based web admin portal for operational management
  • Backend APIs built with Node.js/Express and MongoDB
  • Automated weekly speed camera synchronization engine (cron-based)
  • Apple In-App Purchase integration with subscription management and failure handling
  • Social login via Google, Apple, and Facebook OAuth
  • Deep linking implementation using Branch.io
  • Analytics integration using Firebase and TikTok Events
  • Deployment on AWS EC2

Timeline

June 2025 – April 2026

Total Budget

$9,690+ (including change requests)
The project was delivered across three primary milestones, followed by four post-launch iterations based on evolving requirements and user feedback.

Team Composition

Ropstam assembled a dedicated cross-functional team, including mobile developers, backend engineers, web developers, QA specialists, and project managers, to ensure seamless delivery.

The Challenge

Operating in a city with one of the highest densities of speed cameras, the project required solving both technical and product challenges:

Developing a real-time GPS proximity system with directional awareness and customizable alert distances (50–1,000 ft)
Ensuring consistent alert functionality in iOS background mode under Apple’s strict execution limitations
Maintaining accurate camera data through automated third-party API synchronization
Building a reliable community submission and moderation system
Implementing Apple In-App Purchases with subscription lifecycle handling
Creating a reporting system that quantifies savings from avoided tickets

user interface of buzznog by ropstam solutions

The Solution

Ropstam delivered a robust, end-to-end ecosystem:

A React Native iOS app with background location tracking, real-time alerts, and configurable user preferences
A React.js admin portal enabling full operational control
A scalable Node.js/Express backend with MongoDB and JWT-secured APIs
Integration with Google Maps SDK, Firebase (APNS), Apple IAP, OAuth providers, and third-party data sources

ui ux designer working at ropstam solutions

User Roles

  • Driver (App User): Receives alerts, tracks sessions, views reports, manages subscriptions, and submits camera locations
  • Admin (Portal User): Manages users, monitors subscriptions, controls camera data, and moderates community submissions
To achieve the outcome, the following three-faceted approach was followed:
Comprehending
the Design

App/Web
Development

Testing &
Launching

Ropstam adopts a development approach characterized by collaboration, openness, and careful consideration.

Key Features

Authentication & Profile Management

  • Email/password and OAuth login
  • Secure JWT-based sessions
  • Persistent login and profile customization

Real-Time Camera Alerts

  • GPS-based proximity detection with directional intelligence
  • Customizable alert range (50–1,000 ft)
  • Multiple alert modes: visual, vibration, voice, silent
  • Reliable performance in the background or locked state

Alert Customization

  • Adjustable alert frequency and volume
  • Scheduled activation based on time/day
  • Custom voice alert uploads
  • Preview functionality

Driving Session Tracking

  • Manual session control with real-time speed tracking
  • Integrated Google Maps speedometer with compliance indicators

Reports & Analytics

  • Weekly and monthly performance reports
  • KPIs, including alerts triggered, sessions, compliance trends, and estimated savings

Community Camera Contributions

  • User-submitted camera locations with GPS tagging
  • Admin moderation workflow for approval or rejection

Subscription & Billing

  • Apple IAP-based monthly subscription ($3.99–$4.99)
  • Feature gating for premium users
  • Full lifecycle handling (renewals, cancellations, failed payments)

Camera Data Sync Engine

  • Weekly automated updates from external APIs
  • Optimized database operations to reduce redundancy

Admin Portal

  • User and subscription monitoring
  • Camera database management
  • Moderation tools for community submissions
  • Platform analytics dashboard

Designing & Wireframing

Designed using Figma. Comprehensive UX flows, high-fidelity UI screens, and a reusable Component library & design system.

designer working at ropstam solutions
developer working at ropstam solutions

Development Phase

  • Methodology: Agile development with weekly sprints.
  • Focus Areas: User Interface Development, APIs and Backend Development, and seamless
  • Integration of User Interface with Backend APIs.

Testing and Launch

  • Quality Assurance: Design Static Analysis, Feature testing, Regression testing (with dummy and live data of cameras and users), Manual and automated testing.
  • Performance: Performance testing on various devices and browsers to ensure reliability.
  • Deployment: Successful App Store & Play Store deployment.
  • Post-Launch: Ongoing support and iterations based on user feedback.

Project Timeline

The complete product, including mobile apps, backend infrastructure, and web admin panel, was delivered in about 8 weeks, followed by app store submission and a 30-day complimentary support period

June – Early July 2025

UI Development (M1)

  • Conversion of Figma designs into an iOS app UI
  • Admin dashboard UI design
  • Delivery of static builds for review

Mid July – August 2025

API Development & Integration (M2)

  • Backend API development
  • Full integration across mobile and web platforms
  • Delivery of a functional full-stack system

October – November 2025

QA & Launch (M3)

  • QA testing and refinements
  • Final feedback implementation
  • App Store submission and AWS deployment

December 2025 – April 2026

Post-Launch Enhancements

  • CR1: Paywall improvements and Branch.io deep linking
  • CR2: Minor refinements
  • CR3: Code optimization and technical debt reduction
  • CR4: Firebase analytics and TikTok event tracking

Results

final results of buzznog by ropstam solutions
What Was Delivered?
web application develop logo ropstam solutions

Web Application

ios application developed by ropstam solutions

iOS Application

Delivered, Launched, and Continuously Improved

SLO successfully launched on the Apple App Store and evolved through multiple post-launch iterations to enhance performance, analytics, and user experience.

Key Outcomes

  • Fully functional iOS app live on the App Store
  • Reliable background GPS alert system
  • Seamless Apple IAP subscription integration
  • Automated camera data updates with zero manual intervention
  • Data-driven insights through savings analytics
  • Four successful post-launch update cycles

Client’s Testimonial

The team communicates very well. It’s very refreshing Ropstam suggested innovated that we haven’t thought about. Overall outcome is highly appreciated.

Founder - SLO : Speed Camera Radar

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