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Development of a Robust IoT Mobile App for Real-Time Alcohol Monitoring with Multi-User Support and Enhanced Connectivity

verytechnology.com

Health & Fitness

Automotive

Security

Information Technology

Challenges with Existing Mobile App and Scalability Needs

The existing MVP app suffered from global outages, lacked advanced features, and failed to meet evolving user expectations. The need for a subscription-based revenue model and multi-user functionality (self-monitored testers, monitors, accountability partners) required a robust, scalable solution. Bluetooth connectivity issues and unreliable real-time data delivery further hindered user trust and operational efficiency.

About the Client

A leading manufacturer of breathalyzers with over 20 years of experience, providing remote alcohol monitoring solutions for personal health, safety, and compliance across consumer, corporate, and institutional markets.

Objectives for Enhanced IoT Mobile Application Development

Build a feature-rich, reliable mobile app aligned with BACtrack's market leadership
Implement a subscription-based revenue model through app functionality
Support four distinct user roles with tailored access and workflows
Ensure real-time delivery of breathalyzer test results and visual verification
Improve system stability and scalability to handle growing user demand

Core System Functionalities and Key Features

Role-based user authentication (self-monitored testers, testers, monitors, accountability partners)
Real-time test result visualization and delivery
Visual verification via photo/video capture during tests
Bluetooth connectivity management with error recovery
Subscription management and in-app purchases
Interactive calendar for test scheduling and history tracking
Push notifications for test reminders and result updates
Multi-device synchronization and cloud data storage

Technology Stack and Development Approach

Native iOS (Swift) and Android (Kotlin) development

Ruby on Rails API backend

Bluetooth Low Energy (BLE) protocols

Agile methodology with CI/CD pipelines

System Integrations and Third-Party Services

BACtrack Bluetooth SDK for device communication
Cloud storage for media and test data (AWS/GCP)
Analytics platforms (Sentry.io, Klaviyo)
Payment gateways for subscription management
Push notification services (APNs, Firebase Cloud Messaging)

Performance and Reliability Requirements

99.9% uptime SLA with failover mechanisms
Sub-200ms latency for real-time test data transmission
End-to-end encryption for user data and media
Cross-platform UI consistency across iOS and Android
Compliance with HIPAA and GDPR standards

Expected Business and Societal Impact

The enhanced app will solidify BACtrack's market leadership through improved user retention (via reliability and subscription model), expanded use cases (teen driver safety, workplace compliance), and measurable societal impact (reducing alcohol-related incidents). Real-time monitoring capabilities and multi-user workflows are projected to increase customer acquisition by 40% while reducing support costs by 30% through automated error handling and system stability improvements.