Caffeine mg vs Caffle

Caffeine mg is a one-tap caffeine tracker that visualises remaining body caffeine and the time it drops below a sleep-friendly threshold using a half-life decay model. "Can I have one more coffee this afternoon and still sleep tonight?" — that's the question this app answers. ■ Who it's for - Daily coffee or energy drink consumers - People whose afternoon caffeine affects sleep - Users who prefer no ads and one-time purchases - Login-free tracking with caffeine records stored on device ■ Main features - 50+ preset drinks (coffee, energy drinks, tea, etc.) - Custom drinks with caffeine content and serving size - Tap to log "now", long press to set the time - Today's total intake and remaining allowance (400mg default) - Half-life decay simulation - Home screen widget for one-tap logging - Siri / Shortcuts support - Last 7 days of history ■ iOS 18 features (Pro) - Live Activity + Dynamic Island for body caffeine + sleep-friendly time - Lock Screen Control + Control Center for one-tap logging - Action Button on iPhone 15 Pro and later - Half-life simulation chart ■ Pro (one-time, JPY 370) - Unlimited custom drinks - Live Activity / Dynamic Island - Lock Screen Control - Action Button integration - Full history + CSV export - Medium / Large widgets ■ Why we made it - Free to start (50+ presets + 3 custom drinks) - No login, no account - Caffeine records stay on device; anonymous usage events are optional - No subscription. Pro is one-time only. - Zero ads. ■ Science - Daily upper limit 400 mg (WHO / FDA / EFSA / Health Canada / Japan MHLW Sleep Guidelines 2023 consensus) - 50 mg "sleep-friendly residual" threshold per Japan MHLW Sleep Guidelines 2023 - Default half-life is 5 hours (individual range 3-7 hours) - All thresholds adjustable in Settings ■ Requirements - iOS 18.0 or later (for Live Activity / Lock Screen Control / Action Button) This app is intended as a caffeine intake tracker. It does not provide medical advice, diagnosis, drug-interaction checks, or individualised guidance for pregnant users, users with cardiac conditions, etc. Please consult a doctor or pharmacist for health decisions.

Know exactly how much caffeine is in your system, and when it's time to stop. Caffle makes caffeine tracking effortless. Log your coffee, tea, matcha, or energy drink in two taps and watch your caffeine level rise and fall in real time. TODAY AT A GLANCE • See your current caffeine level against your daily limit • Clear status pills tell you where you stand: in the clear, approaching your limit, or over it • Know when the caffeine from your last cup will wear off SLEEP SMARTER • Caffle projects how much caffeine will still be in your system at bedtime • Check your sleep outlook before that afternoon espresso • Build habits that protect your rest TRACK EVERY DRINK • Espresso, latte, cold brew, matcha, tea, soda, energy drinks, and more • Review your history and spot weekly patterns BUILT FOR iPHONE • Syncs your caffeine intake with Apple Health • Fast, clean, and private Download Caffle and take control of your caffeine, one cup at a time. Terms of Use: https://appstore.devjmc.com/caffeinetracker/terms