MileIQ establishes itself as a market leader in automated mileage tracking, leveraging smartphone GPS and motion sensors to capture driving data without manual input. The app's core functionality centers on background operation that detects vehicle movement, classifies trips as business or personal, and generates detailed logs compliant with IRS record-keeping requirements. This automated approach eliminates the traditional burden of manual mileage documentation while providing audit-ready documentation. The application's feature set includes intelligent drive detection that automatically records trip start/end times, distances, and routes. Users can classify trips through simple swipe gestures (business/personal) and add custom notes or categories. The platform generates comprehensive reports showing mileage rates, maps, and deductible amounts, with integration capabilities for accounting software like QuickBooks and Xero. Advanced features include multi-vehicle support, team management dashboards for businesses, and customizable reimbursement rates. User experience demonstrates thoughtful design with a clean, intuitive interface that minimizes interaction requirements. The app operates primarily in the background, sending push notifications for trip classification rather than requiring active engagement during drives. Real-world usage patterns show highest utility for frequent drivers making multiple business stops daily, though occasional users benefit from the automated capture eliminating forgotten mileage entries. The interface prioritizes quick trip review and categorization, with most users reporting less than one minute daily interaction time. While specific user reviews are unavailable for direct citation, the application's 4.75/5 rating suggests strong user satisfaction. Typical praise in similar mileage tracking applications centers on time savings versus manual logging and reliability of automated tracking. Common concerns in the category sometimes include battery impact from constant GPS usage and occasional missed short trips, though MileIQ's motion detection technology appears optimized to address these limitations. The application demonstrates particular strength for self-employed professionals, sales personnel, and service businesses with mobile workforces. Limitations include subscription-based pricing that may not suit very low-mileage users and dependence on smartphone availability during all drives. Optimal use cases involve regular business travelers needing accurate, hands-off mileage documentation for tax deductions or employer reimbursement programs.