Caffeine Health
Track your caffeine. Protect your sleep. Real-time pharmacokinetic curves.
新版本 2.5.0
- Scan drinks by barcode, live or from a photo. Unknown drinks can be looked up on Open Food Facts, only if you agree; this is the only time the app uses the internet
- Redesigned Analytics: a dashboard coloured per range with rolling numbers, caffeine by source as one bar, and an hour-by-hour "When you drink" chart
- Search that forgives typos
- Log the 2nd or 3rd+ steep of a tea
- Redesigned, resizable widgets
- Frosted glass toolbar (Settings > Appearance)
- Updated translations
- Redesigned Analytics: a dashboard coloured per range with rolling numbers, caffeine by source as one bar, and an hour-by-hour "When you drink" chart
- Search that forgives typos
- Log the 2nd or 3rd+ steep of a tea
- Redesigned, resizable widgets
- Frosted glass toolbar (Settings > Appearance)
- Updated translations
Caffeine Health is a beautifully designed Android app that helps you understand how your caffeine intake affects your body throughout the day — and whether that late-afternoon espresso might cost you sleep tonight.
Log drinks from a curated catalog, watch your active caffeine level in real time on a 24-hour curve, and get a personalized sleep forecast based on your unique metabolism.
Features:
• Real-time 24-hour caffeine curve with emoji drink markers
• Personalized pharmacokinetic modeling based on age, weight, lifestyle
• Sleep forecast — see if caffeine will affect your bedtime
• Curated drink catalog: coffee, tea, energy drinks, soda
• Barcode scanning, live or from a photo, with an optional Open Food Facts lookup
• Typo-tolerant drink search and tea re-steep tracking
• Drink detail sheets showing individual contribution curves
• Quick actions — edit, duplicate, or delete entries
• Analytics: caffeine by source, bedtime impact, and when you drink it, hour by hour
• Home screen widgets, reminders, and automation via Tasker, MacroDroid or NFC tags
• Material 3 Expressive design with dynamic color
• Montserrat typography and haptic feedback throughout
• Full dark mode support
Privacy:
• Works fully offline — all your data stays on your device
• The internet is only used if you choose to look up a scanned barcode on Open Food Facts, and only the barcode number is sent
• No ads, no tracking, no telemetry, no accounts
• Open source (GPL-3.0)
Science:
The app uses a one-compartment oral pharmacokinetic model with personalized half-life calculation. Your caffeine metabolism is estimated from age, weight, smoking status, alcohol intake, and CYP1A2-inhibiting medications — grounded in real pharmacology.
Log drinks from a curated catalog, watch your active caffeine level in real time on a 24-hour curve, and get a personalized sleep forecast based on your unique metabolism.
Features:
• Real-time 24-hour caffeine curve with emoji drink markers
• Personalized pharmacokinetic modeling based on age, weight, lifestyle
• Sleep forecast — see if caffeine will affect your bedtime
• Curated drink catalog: coffee, tea, energy drinks, soda
• Barcode scanning, live or from a photo, with an optional Open Food Facts lookup
• Typo-tolerant drink search and tea re-steep tracking
• Drink detail sheets showing individual contribution curves
• Quick actions — edit, duplicate, or delete entries
• Analytics: caffeine by source, bedtime impact, and when you drink it, hour by hour
• Home screen widgets, reminders, and automation via Tasker, MacroDroid or NFC tags
• Material 3 Expressive design with dynamic color
• Montserrat typography and haptic feedback throughout
• Full dark mode support
Privacy:
• Works fully offline — all your data stays on your device
• The internet is only used if you choose to look up a scanned barcode on Open Food Facts, and only the barcode number is sent
• No ads, no tracking, no telemetry, no accounts
• Open source (GPL-3.0)
Science:
The app uses a one-compartment oral pharmacokinetic model with personalized half-life calculation. Your caffeine metabolism is estimated from age, weight, smoking status, alcohol intake, and CYP1A2-inhibiting medications — grounded in real pharmacology.
捐赠
版本
尽管下面提供了 APK 安装包的下载选项，但你应该注意，以这种方式安装将不会收到更新通知，这是一种不太安全的下载方式。 我们建议你安装使用 F-Droid 客户端。
下载 F-Droid-
arm64-v8aarmeabi-v7ax86x86_64该版本需要 Android 12 及以上版本。
此包由原始开发者构建并签名，并保证对应于此源代码 tarball。
-
arm64-v8aarmeabi-v7ax86x86_64该版本需要 Android 12 及以上版本。
此包由原始开发者构建并签名，并保证对应于此源代码 tarball。
-
arm64-v8aarmeabi-v7ax86x86_64该版本需要 Android 12 及以上版本。
此包由原始开发者构建并签名，并保证对应于此源代码 tarball。
新版本 2.4.1
• Fixes the reproducible build for F-Droid and IzzyOnDroid (#50)
• Includes everything from 2.4.0:
• Quick start times when adding a drink: Now, 10 min, 30 min or 1 h ago; editing the time opens on the clock first (#48)
• Set your own "Time to finish": a default, per category or per drink, with pills defaulting to 1 min (#46)
• Average per day only counts days you logged something (#47)
• Redesigned Add drink sheet with Material 3 Expressive
• Includes everything from 2.4.0:
• Quick start times when adding a drink: Now, 10 min, 30 min or 1 h ago; editing the time opens on the clock first (#48)
• Set your own "Time to finish": a default, per category or per drink, with pills defaulting to 1 min (#46)
• Average per day only counts days you logged something (#47)
• Redesigned Add drink sheet with Material 3 Expressive
新版本 2.3.2
• Updated all community translations from Weblate, including new Czech, Russian, Turkish, and Ukrainian locales
• Improved existing translations across supported languages
• Improved existing translations across supported languages