Caffinity vs Caffeine Curve

Caffinity – Smarter Caffeine Tracking Caffinity helps you track your caffeine intake, understand what is still active in your body, and make better decisions around focus, limits, and sleep. Whether you drink coffee, tea, soda, energy drinks, or supplements, Caffinity gives you a fast, clear, and privacy-friendly way to stay on top of your habits. FEATURES • Fast logging – Add drinks in seconds with preloaded items, custom items, and Quick Add • Smart Logging – Get helpful suggestions based on your habits and logging history • Current caffeine tracking – See how much caffeine is still active in your body • Sleep guidance – Check Sleep Readiness and see when your caffeine level should be low enough for bed • Daily limits – Track your intake against your daily limit and personalized guidance • Caffeine Calculator – Estimate caffeine for drinks and custom entries • History and trends – Review charts, daily details, and a heatmap of your habits • Widgets and Lock Screen support – Stay updated and log quickly from your Home Screen or Lock Screen • Siri Shortcuts – Log items, check your caffeine level, and more with Shortcuts • Apple Health sync – Sync caffeine entries and body weight with Apple Health • iCloud backup and restore – Keep a backup of your data and restore it when needed • Custom items – Save your own drinks, supplements, amounts, colors, and icons • Achievements and streaks – Stay motivated and keep track of your progress • Privacy-first – Your data stays on your device by default • Optional AI features* – Analyze a drink from a photo or text using your own OpenAI API key Caffinity is built for people who want a clearer view of their caffeine habits without unnecessary complexity. Whether you want to cut back, protect your sleep, or simply stay more aware of what you drink, Caffinity gives you the tools to do it. * AI features require your own OpenAI API key.

Caffeine Curve helps you track your estimated caffeine level in real time. Using your dietary caffeine entries from Apple Health, the app estimates how much caffeine may still be active in your body throughout the day. It uses an absorption and elimination model to give you a more useful picture than intake alone. It is designed for a simple purpose: to give you the most useful caffeine information quickly and clearly. Whether you are deciding on another coffee, trying to stay in a good range for focus, or avoiding caffeine too close to bedtime, Caffeine Curve helps you understand where you stand right now. Features - Track your estimated current caffeine level - See how your caffeine level changes throughout the day - Reads dietary caffeine data from Apple Health - Check your current level from the Lock Screen widget - Understand how long caffeine may remain active - Clean, simple interface designed for quick checks - Rich Home Screen Widgets: Keep an eye on your caffeine levels and daily trends without even opening the app, featuring beautiful charts and gauges - Smart Complications: New rectangular and dial-top complications clearly show the exact time of your next peak or when you’ll be clear for sleep. - Useful Notifications: Get pinged exactly when you hit your caffeine peak or when your system drops below your personalized sleep-ready threshold. - Peak & Sleep Indicators: Know exactly when your coffee hits its peak and precisely when you are cleared for a good night's sleep - Unmatched Personalization: Choose from 5 different sensitivity profiles to perfectly match your unique body chemistry and caffeine decay rate - Try It Demo Mode: Explore the app's full capabilities and stunning visual charts using sample data before committing to logging your own - Beautiful & Customizable Design: Experience a gorgeous new "Liquid Glass" aesthetic that feels right at home on iOS, plus full control over Light/Dark modes and all-new tinted app icons. Caffeine can be logged automatically by other apps that write to Apple Health, or added manually in the Health app under Nutrition > Caffeine. Caffeine Curve is free to use, with no ads and no in-app purchases. It was built from a real daily need: a simple way to understand caffeine levels clearly, quickly, and without unnecessary extras. Important Individual caffeine metabolism varies. Factors such as genetics, liver health, medications, and pregnancy can affect absorption and elimination. Caffeine Curve is for informational purposes only and does not provide medical advice.