Caffeine - Stay in Your Perfect Rhythm Master your daily caffeine rhythm with the most sophisticated tracking app designed for optimal performance and better sleep. FIND YOUR PERFECT CAFFEINE RHYTHM Everyone metabolizes caffeine differently. Caffeine uses scientific half-life calculations personalized to your metabolism, showing you exactly when to dose for peak performance and when to stop for restful sleep. Watch your caffeine levels decrease in real-time and stay perfectly energized throughout your day. KEY FEATURES: Real-Time Metabolism Tracking - See your exact caffeine levels at any moment - Personalized half-life calculations - Visual metabolism graphs that update live Optimize Your Energy - Time your doses for peak performance - Avoid afternoon crashes - Maintain steady energy levels - Track multiple drinks throughout the day Perfect Your Sleep - Know exactly when you'll be ready for bed - Get alerts before your caffeine cutoff time - Plan your last cup for optimal sleep - Wake refreshed and ready Comprehensive Drink Library - 450+ drinks with precise caffeine data - Coffee, tea, energy drinks, sodas, and more - Create custom drinks for your favorites - Quick-add your daily regulars Insightful Analytics - Daily, weekly, and monthly trends - Identify patterns in your consumption - Track your optimization progress - See your average intake and peak times Smart Features - Home screen widgets for quick logging - Apple Health integration - Beautiful dark mode - Customizable metabolism settings - Export your data anytime WHO IT'S FOR: • Professionals optimizing work performance • Students maximizing study sessions • Athletes timing pre-workout caffeine • Anyone wanting better sleep quality • Coffee lovers seeking balance • Health-conscious individuals tracking wellness THE SCIENCE: Caffeine's half-life varies by individual, typically 4-6 hours. This means after 5 hours, half the caffeine remains in your system. Our app calculates your personal metabolism rate and shows precisely when you'll reach your target levels for sleep or performance. ONE-TIME PURCHASE: Just $0.99 - pay once, own forever. No subscriptions, no ads, no recurring fees. We believe in simple, honest pricing for tools that improve your life. Stop guessing when your last coffee will wear off. Start optimizing your caffeine rhythm for peak performance and perfect sleep. Download now and find your perfect caffeine rhythm today.