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Brew better. Sleep smarter.
Mindful Coffee is the only iOS app that joins a full Brew Journal with a personal-metabolism caffeine model and on-device sleep prediction. Log every espresso, V60, AeroPress, Chemex, cold brew, matcha or tea, see exactly when caffeine will clear your system, and understand your body's natural cortisol rhythm. Built with Apple's Liquid Glass design language. Part of the Mindful Apps family, alongside Mindful Body.
Espresso, V60, AeroPress, Chemex, French press, moka, cold brew, plus tea, matcha and Gong Fu. Capture grind, dose, ratio, time, temperature and rating in one elegant flow. Built-in recipes, smart suggestions to dial in faster, brew analytics to find your best cup. A new brew starts from your last brew of the same method, dose, ratio and water (or yield) calculate each other, and the stopwatch keeps running while you scroll and saves the bloom or pre-infusion time with one tap.
A personal half-life model predicts when caffeine clears your system and when your body is ready for sleep. The cortisol-rhythm view shows your natural energy curve so you can time coffee for the windows where it actually helps. Your typical wake time is derived automatically from Apple Health sleep data - a median across up to 14 nights, not a single morning - so the timing advice fits your real rhythm without any setup.
Cross-reference your caffeine intake with how your body actually responds. Sleep Correlation shows the duration impact of different daily intake levels. Resting Heart Rate Correlation (Pro) reveals whether more coffee nudges your cardiovascular baseline.
Caffeine Now and Bedtime Prognosis complications on every modern watch face. Tap a complication to log your default drink in one screen. "Hey Siri, log a coffee" works without opening the app. Cortisol-window alerts nudge you at the right moments. On iOS 18 and later, the Log Coffee control in Control Center logs your default drink with one tap.
Apple Intelligence powers personalized caffeine commentary that adapts to your energy levels, time of day, and sleep patterns. The AI research foundation is the JudgeGPT project. Nothing leaves your device.
HealthKit sync writes caffeine to Apple Health and reads sleep and resting heart rate. Optional iCloud sync across iPhone, iPad and Mac through your own private iCloud. CSV export for full data ownership. All calculations and AI run locally. No account, no ads, no tracking, no third-party analytics; purchases are processed by Apple and RevenueCat.
| Feature | Pro? |
|---|---|
| Brew Journal & Brew Analytics | Pro |
| Resting HR Correlation Analysis | Pro |
| AI Insights (Apple Intelligence) | Pro |
| Widget Customization | Pro |
| HealthKit two-way sync & CSV import/export | Pro |
| Caffeine + cortisol tracking, sleep prediction, sleep correlation, widgets, watch complications, Siri | Free |
AI Insights require iPhone 15 Pro or 16 series, iPad Air/Pro with M1+, iPad mini with A17 Pro, or Mac with Apple Silicon, running iOS 18.1+ / iPadOS 18.1+ / macOS 15.1+.
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Caffeine decay curve alongside your body's natural cortisol rhythm with personalized timing recommendations. 
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See how caffeine intake correlates with sleep duration and resting heart rate from Apple Health. 
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Log coffee, tea or energy drinks instantly. See real-time predictions of how each beverage will affect your sleep. Tap an entry in History to edit it, or undo a log right after. 
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Tune sensitivity, half-life, sleep thresholds and cortisol parameters for tracking that matches your body. 
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Your data stays on your device or syncs securely via your personal iCloud. All consumption data is stored locally with SwiftData, HealthKit access requires explicit permission, and all calculations, analysis and AI insights run entirely on-device. Your caffeine log and health data are never sent to us or to any third party.
Read the full Privacy Policy.
- 📖 FAQ — caffeine science, app features, troubleshooting · also in Deutsch · Español · Français · Italiano · Português · Nederlands · Svenska · 日本語 · 한국어 · 简体中文 · 繁體中文
- 🔬 Research Background — the science behind cortisol modeling
- 🌍 Languages — fully localized in English, German, Spanish, French, Italian, Portuguese (Brazil), Dutch, Swedish, Japanese, Korean, Simplified Chinese and Traditional Chinese
- 🌐 Official Website
- 🧘 Related — Mindful Body · Trackless Links
If you're a researcher or student in chronobiology, sleep science or related fields, reach out at support@alexloth.com.