Frank's Caffeine Tracker vs Curfew

Coffee is great, but are you drinking too much of it? Is caffeine ruining your sleep? This intelligent caffeine tracker answers these questions with the help of science, helping you find the perfect balance between energy and rest. What makes this special: Unlike simple caffeine trackers, this app uses advanced pharmacokinetic models that consider your unique biology - age, weight, genetics, pregnancy status, and more - to predict exactly how caffeine affects YOU. Key Benefits: • Personalized predictions - See when caffeine will peak and when it'll clear your system • Sleep protection - Automatic warnings before caffeine disrupts your rest • Health insights - Track patterns, detect withdrawal, prevent overconsumption • Zero privacy invasion - All calculations happen on your device, no data is shared • Optional Apple Health integration • Scientifically accurate - Based on peer-reviewed research on caffeine metabolism Features that matter: - Instant caffeine level calculations - Real-time (estimated) blood concentration graphs and predictions - Smart notifications for optimal timing and sleep protection - Track your sleep quality: Log how you slept each morning and discover how caffeine affects your sleep - Weekly analytics showing consumption patterns and trends - Support for special conditions (pregnancy, genetics, liver function) - Custom drink library for your favorite beverages - Beautiful, accessible interface with dark mode - Complete data export for personal records. Your data is yours. Perfect for anyone who wants: - Better sleep quality, optimized energy levels, reduced caffeine anxiety, pregnancy-safe monitoring, shift work support, or simply conscious consumption. - Transform your relationship with caffeine. Start your journey to better energy and sleep today. This app provides educational information and estimates. Always consult healthcare professionals for medical decisions.

Afternoon coffee? Curfew tells you exactly when caffeine will clear so you can sleep well — without guesswork or guilt. Coffee, espresso, tea, energy drinks: log any caffeinated drink in one tap and watch your personal sleep-safe time update in real time. Curfew models how caffeine actually decays in your body using half-life science, not a flat "cutoff hour" guess, so the countdown adjusts to what and how much you drank. It's a calm, judgment-free companion for anyone who loves coffee in the afternoon but still wants to fall asleep on time. KEY FEATURES: • Sleep-safe clock — see the exact time your caffeine will clear • One-tap logging for coffee, espresso, latte, tea, and energy drinks • 8 built-in drink presets, sized small/medium/large • Real caffeine decay math based on half-life — not a gimmick counter • Gentle curfew reminders before your personal caffeine cutoff • 7-day insights to see when and how much you're really drinking • Lock Screen + Home Screen widgets with live caffeine level (Pro) WHY CURFEW: • On-device — your drink log stays private, never sold or shared • Built for real routines: log a coffee in under 5 seconds • Designed around sleep science, not caffeine myths • Native widgets and HealthKit integration, no clutter CURFEW PRO: • Unlimited daily drink logs (free tier: 3/day) • Full history beyond 7 days • Custom drinks and adjustable half-life (4–7 h) to match your own sensitivity • Lock + Home Screen widgets with live caffeine level • HealthKit sync: correlate caffeine intake with your actual sleep data PERFECT FOR: • Coffee and espresso lovers who don't want caffeine wrecking their sleep • Shift workers and night owls tracking a moving bedtime • Anyone sensitive to caffeine who keeps drinking "just one more" too late • People already using a sleep or energy tracker who want the missing caffeine piece • Parents and students managing energy dips with coffee, safely ACCESSIBILITY: Curfew supports VoiceOver, Dynamic Type, and full Dark Mode, so the sleep-safe clock and drink log are easy to read and navigate for everyone. Wellness-focused. No mascots, no medical claims — just clear caffeine math. Your data stays on your device. Download Curfew and always know your last coffee time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/