Caffeine Rhythm

Caffeine Rhythm is your personalized caffeine tracker for iPhone and Apple Watch. It uses your unique metabolism profile to calculate your real-time caffeine level and tell you exactly when you're safe to sleep. Whether you're optimizing your morning coffee routine or making sure that afternoon espresso won't keep you up, Caffeine Rhythm gives you the insights you need to make smarter caffeine choices every day. FEATURES: • Real-time caffeine decay tracking with personalized half-life • Sleep safety countdown — know when you're safe to sleep • Coffee shop menus — Starbucks, Dunkin', McCafé, Costa, Blue Bottle, Peet's, Dutch Bros • Streak tracking and gamification • Apple Watch app with complications • Home Screen and Lock Screen widgets • HealthKit integration — caffeine intake and sleep correlation • Live Activities and Dynamic Island • Smart weekly insights powered by AI SUBSCRIPTION INFORMATION: • Free trial available — try all premium features for 7 days before subscribing • Monthly plan: $2.99/month • Yearly plan: $19.99/year (best value) • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period • Payment will be charged to your Apple ID account at the confirmation of purchase • You can manage and cancel your subscriptions by going to Settings > Apple ID > Subscriptions Privacy Policy: https://hatchingpoint.com/caffeinerhythm/privacypolicy Terms of Use: https://hatchingpoint.com/caffeinerhythm/terms