IPSY: Personalized Beauty represents a sophisticated approach to beauty product discovery through a subscription-based model. The Android application serves as the digital gateway to IPSY's physical product delivery system, positioning itself in the competitive beauty subscription market with its algorithm-driven personalization and tiered subscription options. The core functionality revolves around an initial beauty preference quiz that captures user-specific data including skin concerns, hair type, and product preferences. This data drives a matching algorithm that curates monthly product selections across three subscription tiers: Glam Bag (sample sizes), BoxyCharm (full-size products), and Icon Box (premium selections). The app enables users to select three of their five monthly products, providing meaningful customization control. Additional features include quarterly celebrity-themed boxes, refreshment add-ons, and special promotional offerings that enhance the discovery experience. User experience demonstrates thoughtful design with intuitive navigation through subscription management, product selection interfaces, and shipment tracking. The interface maintains visual consistency with IPSY's brand aesthetic while prioritizing functional clarity. Real-world usage patterns show peak engagement during product selection windows and shipment tracking periods, with users typically spending 5-7 minutes monthly on curation decisions and order management. User feedback trends consistently highlight satisfaction with customization options and discovery value. Heather Zumwalt (2025-07-26) noted appreciation for recent updates allowing choice of three products, while Brenda Chisling (2025-06-27) described the experience as 'Christmas in a bag every month.' Multiple reviewers including Rosemary Paul (2025-08-01) emphasized the excitement of discovering previously unknown products at accessible price points. The application demonstrates notable strengths in personalization accuracy and value proposition, particularly for users seeking beauty product discovery without retail markup. Limitations include occasional product mismatches reported in broader user feedback beyond the provided reviews and the inherent constraints of algorithmic curation. Ideal for beauty enthusiasts seeking structured discovery experiences and cost-conscious consumers looking to explore premium products at reduced price points.