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Stay on top of your caffeine intake with a simple log, clear visuals, and helpful timing estimates designed to support better daily planning. Key features: -Log drinks in seconds: Espresso, coffee, energy drinks, tea, soda, or custom entries -Sipping duration support: Track slow drinks more realistically than “instant” intake -Barcode scanning & search: Look up products via OpenFoodFacts and use estimated caffeine values when available -Active caffeine estimate (mg): See an at-a-glance view of what may still be in your system over time -Personalized half-life settings: Adjust your profile (age, weight, gender, and optional factors) to tailor estimates -Sleep planning tools: Target a bedtime, view a projected “sleep-ready” time, and get a suggested caffeine curfew -Trends & insights: Daily history plus a 7-day overview (totals, drink count, peaks, and bedtime estimates) -Calibration: Optionally log how you feel to fine-tune the app’s internal estimate over time -On-device storage: Your entries and profile are saved locally on your device Important note: All values are estimates based on common caffeine metabolism models and the information you provide. This app is not a medical device and is not intended to diagnose, treat, or prevent any condition.