{"componentChunkName":"component---src-templates-case-study-detail-js","path":"/case-studies/count21-blackjack-trainer","result":{"pageContext":{"slug":"count21-blackjack-trainer","caseStudy":{"id":"count21-blackjack-trainer","slug":"count21-blackjack-trainer","client":"Count21","title":"Interactive Blackjack Strategy & Card Counting Trainer","industry":"EdTech / Gaming","projectType":"Personal SaaS Product","timeline":"2024 - Present","heroImage":"https://images.unsplash.com/photo-1511193311914-0346f16efe90?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80","featured":true,"pageTitle":"Count21 Blackjack Trainer | Invocation Technologies","metaDescription":"A web-based blackjack strategy trainer helping players master basic strategy and Hi-Lo card counting through interactive practice.","keywords":"blackjack trainer, card counting, hi-lo system, basic strategy, blackjack practice, advantage play","challenge":"\nMost blackjack players lose money because they rely on intuition instead of mathematically optimal strategy. Learning basic strategy from charts is tedious, and practicing card counting requires expensive software or casino visits.\n\nI wanted to create a free, accessible tool that would:\n- Make learning basic strategy interactive and engaging\n- Teach the Hi-Lo card counting system step by step\n- Provide unlimited practice without risk\n- Work on any device as a progressive web app\n- Offer a Pro tier for serious players wanting advanced features\n    ","solution":"\nBuilt Count21 as a modern Progressive Web App with a focus on mobile-first design and engaging practice sessions:\n\n**Core Training Features**\n- Interactive basic strategy trainer with immediate feedback\n- Hi-Lo card counting practice with running count tracking\n- Progressive difficulty levels from beginner to advanced\n- Practice sessions tracking progress over time\n\n**Technical Implementation**\n- Next.js for fast, SEO-friendly pages\n- Supabase for authentication and user progress storage\n- Stripe for Pro subscription billing\n- Vercel for deployment with edge functions\n- Tailwind CSS for responsive, mobile-first design\n- PWA support for installable mobile experience\n\n**Product & Monetization**\n- Free tier with core training features\n- Pro tier with advanced drills and detailed analytics\n- Stripe-powered subscription management\n    ","results":["Launched PWA with native-like mobile experience","Free + Pro tier monetization via Stripe","Complete Hi-Lo card counting curriculum","Interactive basic strategy training","Progress tracking across sessions","Mobile-optimized responsive design"],"technologies":["Next.js","Supabase","Stripe","Vercel","TypeScript","Tailwind CSS","PWA"],"testimonialId":null,"highlights":[{"value":"Hi-Lo","label":"Card Counting System"},{"value":"PWA","label":"Installable App"},{"value":"Free + Pro","label":"Subscription Tiers"}],"images":[]}}},"staticQueryHashes":["3764592887"]}