Water Tracker CoffeeWatch vs CaffeineMate

CoffeeWatch is a caffeine tracking app designed for people who love coffee and also care about how their body feels. For the first time, you can truly see your caffeine level in your body and your 24-hour metabolism curve—no more drinking by gut feel, no more pushing through on sleepless nights. Use data to protect your clarity, focus, and sleep. #Why We Built This App We’re a group of people who’ve survived countless late nights — powered by coffee. A “wake-me-up” cup in the morning, a “keep-me-going” cup in the afternoon, and a “let-me-finish-this-deck” delivery coffee at night. Some days it took five or six cups just to “look okay” in a meeting. But instead of feeling more stable, we ended up with: • Faster heartbeats, trembling hands, anxiety • Feeling more awake at night but sleeping lighter • And waking up even more tired — only to drink again It’s a loop: fatigue → more caffeine → worse sleep → more fatigue. We realized caffeine itself isn’t the enemy — The real problem is that we don’t know our current state. • How much caffeine is still in my body right now? • If I drink this cup, will I still be able to sleep tonight? • Am I already over my safe limit? So we made CoffeeWatch. --- # Features 1. Real-Time Caffeine Monitoring • See exactly how much caffeine (mg) is in your body right now • 24-hour metabolism curve • Clear-out countdown — how long until most caffeine is metabolized • Bedtime residual forecast — how much caffeine remains at your usual bedtime • Sleep-risk hints such as “You might fall asleep later tonight — consider skipping this cup” 2. One-Tap Drink Logging • Built-in drinks: Americano, Latte, Espresso, Cold Brew, Milk Tea, Energy Drink, Tea, Cola, Hot Cocoa, and more • Quick-select common sizes • Manually enter your volume (ml / oz) — caffeine is auto-calculated • Save your favorite drink for one-tap add • Each log instantly updates your timeline and metabolism forecast 3. Trends & History • View daily / weekly / monthly / yearly caffeine trends • Total intake, daily average, over-limit days • “Caffeine-free days” — when your body truly rested • See which drinks contribute most to your intake 4. Sleep-Friendly Reminders • About six hours before bedtime: “Caffeine is still active — tonight may be harder to fall asleep.” • Sleep-readiness states: Calm / Alert / Over-stimulated 5. Deep Apple Watch Integration • Record directly from your wrist — no phone needed • Complications show: – Current in-body caffeine – Metabolism curve – Bedtime residual • Your watch becomes both a quick-log tool and a real-time status indicator 6. Widgets & Lock Screen Info • Show key numbers right on your iPhone Home, Lock, or Standby screens: – Current caffeine level – Total consumed today – Distance from your comfort limit • Pin your go-to drink (e.g., “16 oz Latte”) to a widget for one-tap logging 7. Live Activities / Dynamic Island • Your iPhone’s Dynamic Island continuously displays caffeine level and clear-out countdown • Apple Watch shows real-time status as well --- # Apple Ecosystem Integration • Full support for iOS 26 / watchOS 26 • Liquid Glass UI — clear information, non-intrusive, no panic-inducing visuals • Apple Watch app & complications — check status or log a cup with a simple wrist raise • iOS 26 widgets — available on Home Screen, Lock Screen, and StandBy Mode • Apple Health integration — every drink you log is saved to the Apple Health app as caffeine and water. Change access anytime in Settings. --- # Coming Soon • AI Drink Recognition — Snap a photo of your beverage, and CoffeeWatch automatically detects type, volume, and typical caffeine strength to draft a log for you. • Caffeine & Performance Insights — learn how precise timing and dosage can safely enhance training and endurance. --- Privacy Policy: https://coffeewatch.app/privacy-policy Terms of Use: https://coffeewatch.app/terms-of-use Email: support@coffeewatch.app

Love coffee and still want to sleep? CaffeineMate tells you when to stop. Caffeine leaves everyone at a different speed. CaffeineMate estimates your personal caffeine half-life from your weight, age and sensitivity, then turns every drink you log into one live curve: what is in your system now, when it peaks, and how much will be left at bedtime. YOUR LAST CALL Set your bedtime and CaffeineMate works out your Last Call: the latest time for caffeine that still clears before you sleep. Have that afternoon cold brew or skip it, knowing what it means for tonight. SEE CAFFEINE LEAVE YOUR BODY A real-time metabolism curve shows your current level in mg, your peaks and the moment you drop below the level that is friendly to sleep. FORECAST TONIGHT'S SLEEP Connect Apple Health and CaffeineMate compares your caffeine with your sleep. Over time you see how your coffee habits relate to your nights, and get a forecast for tonight. LOG A DRINK IN ONE TAP 46 built-in drinks with caffeine amounts, from espresso and cold brew to tea, matcha, energy drinks and soda. Save favorites, pick serving sizes, create custom drinks, or set up an auto-log for your daily routine. ONE REMINDER, RIGHT ON TIME Get a gentle nudge at your Last Call and a heads-up when you approach your daily limit. Nothing more. SPOT YOUR PATTERNS Weekly and monthly trends, your daily average against your limit, and what your coffee costs if you add prices and a budget. APPLE WATCH AND WIDGETS See your level and quick-add a favorite from your wrist. Home Screen widgets in small, medium and large show your caffeine at a glance. ACHIEVEMENTS Streaks and badges for staying under your limit, consistent logging and sleep-friendly evenings. PRIVATE BY DESIGN Your data syncs through your own iCloud. No account needed. CaffeineMate never tells you to quit coffee. It shows you how your body handles it, so you can enjoy your coffee and sleep well. SUBSCRIPTION TERMS CaffeineMate offers monthly and yearly auto-renewable subscriptions, each starting with a 7-day free trial, and a one-time lifetime purchase. You will not be charged during the free trial. Unless you cancel at least 24 hours before the trial ends, payment will be charged to your Apple Account at the end of the trial. Payment for the lifetime purchase is charged at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. Manage or cancel your subscription in your App Store account settings. Terms of Use: https://caffeinemate.app/terms Privacy Policy: https://caffeinemate.app/privacy