CaffeineHalf: Caffeine Tracker
iOS app by Takumi Sekiguchi. Food & Drink · Takumi Sekiguchi
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.2
- Listing last refreshed
- 2026-09-09
View the original store listing
Store description excerpt
Track your caffeine intake and see exactly how much will remain in your system at bedtime — based on the pharmacokinetic half-life model (approximately 5-6 hours). Features: - Auto-calculate caffeine from drink type - Half-life based residual caffeine prediction - Set bedtime for countdown estimation - Time-decay graph visualization - Custom drink registration - Daily intake history Great for: - People sensitive to caffeine's sleep effects - Anyone improving their sleep quality - Optimizing caffeine timing for productivity - Managing intake during pregnancy or nursing Based on pharmacokinetic half-life modeling — goes beyond simple intake counters to predict actual residual caffeine levels. Your caffeine records stay on your device. FREE VERSION AND FULL ACCESS The free version displays banner ads. A one-time Full Access purchase unlocks every feature and removes ads. Customers who previously bought the paid app also continue without ads.
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