CaffeineTracker - CoffeeWatch

Do you know how much caffeine is still in your body right now?

CaffeineTracker helps you find the sweet spot between “stay alert” and “sleep well” with clear, science-based visuals.

## What you get
- Real‑time in‑body caffeine level with a 24‑hour metabolism curve
- Evening “Bedtime Residual (mg)” and falling‑asleep risk hints
- One‑tap logging for common drinks, plus custom drinks with auto ml/oz conversion
- Daily limit and reminders to avoid accidental over‑consumption

## Built for Apple Watch
- Raise‑to‑log in seconds, with key reminders before workouts and at night
- Watch face complications for current level and countdown
- 24‑hour metabolism trend right on your wrist

## Thoughtful features
- First‑cup timer: suggests a 90–120 minute delay to reduce afternoon crash
- Training boost: calculates optimal pre‑workout window at 3 mg/kg by default (adjustable)
- Caffeine cycling: alternate‑day intake and weekly goals to gently manage tolerance
- Trends and insights: day, week, and month comparisons, with a reference of 400 mg/day for most adults

## Full support for iOS 26 and watchOS 26
- Liquid Glass UI: embraces iOS 26 dynamic materials across cards, sheets, and panels for better clarity in light or dark modes
- Apple Watch complications and app: view **In‑Body Caffeine**, **24h Metabolism Curve**, and **Bedtime Residual** at a glance; swift logging on watch
- iOS 26 widgets: add widgets for key numbers like “In‑Body Caffeine” and “Bedtime Residual” on Home and Lock Screen
- Deep integration with Apple Health: with your permission, reads and writes **Dietary Caffeine** for trend analysis and sleep impact assessment. Permissions can be managed anytime in the Health app.

## Privacy and Data
- Data is used solely to power features and insights. You can manage or revoke permissions anytime in the Health app.

Disclaimer: This app provides general wellness information and calculators and does not constitute medical advice. Consult a professional for personal guidance.

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