Koupon positions itself as an automated deal-finding platform specializing in Amazon promotions, leveraging artificial intelligence and human curation to maintain a database exceeding 100,000 active codes. The application focuses exclusively on Amazon marketplace deals, covering high-demand categories including Electronics, Home & Kitchen, Beauty, and Outdoor gear, with all content refreshed daily to ensure relevance. The core functionality revolves around two primary features: algorithmic deal discovery and real-time code validation. The AI system scans Amazon’s marketplace for promotions while editors manually verify select offers, creating a hybrid curation model. Each promo code undergoes automated verification checks before being presented to users, significantly reducing the frustration of attempting expired coupons. Users can browse by category or search for specific products, with the interface designed to display savings amounts prominently alongside expiration timelines. User experience centers on a clean, transactional interface optimized for rapid deal browsing. The layout prioritizes visual clarity with bold discount percentages and category filters enabling quick navigation. Real-world usage patterns indicate most users open the app immediately before completing Amazon purchases, as evidenced by reviews mentioning pre-purchase checking behavior. The absence of account requirements or complex onboarding contributes to its utility as a quick-reference tool rather than an engagement-focused platform. User feedback reflects generally positive sentiment with specific praise for reliability and savings potential, though technical issues have been noted. A November 2024 review from Marjen Jafarbay documented a version-specific crash bug that was subsequently resolved, demonstrating the development team's responsiveness to stability concerns. Michelle Richardson's January 2025 review characterizes the app as 'one of the best and easiest coupon apps,' highlighting its perceived superiority in user experience among discount applications. The application's primary strength lies in its specialized focus on Amazon deals and verification system, though this specialization also represents a limitation for users seeking broader retailer coverage. Performance appears generally stable despite isolated version-specific issues, and the complete reliance on Amazon's ecosystem means usefulness directly correlates with a user's Amazon shopping frequency. Ideal for regular Amazon shoppers seeking last-minute discounts, though less valuable for those preferring multi-retailer comparison.