Caffeine App vs Curfew

How much caffeine is still in your body? When can you fall asleep? Are you drinking enough water? Caffeine App gives you the answers — at a glance. Caffeine Tracking • Log every coffee, tea, espresso, energy drink, or mate • Scrollable 24-hour timeline shows your caffeine curve • See how much caffeine is currently in your system • Create custom drinks with individual caffeine amounts • Caffeine calculator for drinks with unusual sizes Optimal Sleep Time • Caffeine App calculates when you're ready to sleep • Get notified when your sleep time is reached • Set your personal caffeine limit and desired sleep time Water Tracking • Track your daily water intake with personalized goals • Save your favorite glass and bottle sizes • Customizable reminders to stay hydrated Statistics • Daily caffeine and water charts across your full history • See which drinks make up most of your caffeine • Compare your water intake against your daily goal Widgets • Caffeine Now: current caffeine level and 30-day history • Water Intake: today's progress towards your goal • Quick Log: log your favorite drink with one tap • Home Screen and Lock Screen widgets Apple Watch • Log caffeine and water right from your wrist • Daily charts for caffeine and water • Complications show your optimal sleep time More Features • Apple Health integration — caffeine and water entries stay in sync • iCloud sync across all your devices • Dynamic Type for optimal readability • URL scheme support

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/