Caffeine Health

Track your caffeine. Protect your sleep. Real-time pharmacokinetic curves.

AppID:	com.uc.caffeine
Author:	Unknown
License:	GPL-3.0-only
Donation:
InRepoSince:	2026-04-28
LastRepoUpdate:	2026-07-16
LastAppUpdate:	Unknown
LastVersion:	2.3.1
Categories:	Sports & Health
APK source:	Github
Google Play:	Check if it's there

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
• Drink detail sheets showing individual contribution curves
• Quick actions — edit, duplicate, or delete entries
• Material 3 Expressive design with dynamic color
• Montserrat typography and haptic feedback throughout
• Full dark mode support

Privacy:

• Fully offline — all data stays on your device
• No ads, no tracking, no analytics, 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.

WhatsNew:

• Fix a crash on launch affecting some devices and custom ROMs (splash screen exit)
• Time zone now follows your device automatically as you travel (new "Match system time zone" option, on by default; turn it off to pin a fixed zone)
• Cleaned up wording in Caffeine Coach messages

Includes everything from 2.3.0:
• Caffeine Coach: the smallest, best-timed dose suggestion under your home chart
• Type exact fractional serving amounts (e.g. half a soda)
• New Pulse Cup app icon, Material You themed

Download Website Source Issues Translation

While you can download the APKs here directly, you should preferably use an F-Droid client so the app stays up-to-date on your device.

Packages

Version 2.3.1 (2026-07-16)

Android Versions:

Target: 16.0
MinVer: 12.0
ABIs: arm64-v8a, armeabi-v7a, x86, x86_64

Permissions:

Malware-Check:Passed

37 Libraries detected:

Libraries:

Android Health (Utility)
manages and accesses health data in Android.
Android Support v4 (Development Framework)
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see Understanding the Android Support Library.
AndroidX Activity (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
Android Jetpack Annotations (Utility)
library that contains the annotations for Android Jetpack.
Arch (Utility)
helper for other arch dependencies, including JUnit test rules that can be used with LiveData.
AppCompat (Utility)
support newer Android features on older Android versions.
Android Support Library collections (Utility)
standalone efficient collections.
Jetpack Compose (Development Framework)
a framework to define UIs programmatically with composable functions that describe its shape and data dependencies.
Concurrent (Utility)
AndroidX library to help move tasks off the main thread with coroutines and take advantage of ListenableFuture.
Androidx Core (Utility)
a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
Android Support Library Custom View (UI Component)
a module to implement custom views. Part of the Android Support Library.
DataStore (Development Aid)
stores data asynchronously, consistently, and transactionally, overcoming some of the drawbacks of SharedPreferences.
Android Emoji2 Compat (UI Component)
core library to enable emoji compatibility in Kitkat and newer devices to avoid the empty emoji characters.
Exifinterface (Utility)
a library to read and write image file EXIF tags.
Glance (UI Component)
AndroidX library to build layouts for remote surfaces using a Jetpack Compose-style API.
Androidx Graphics (Utility)
leverages graphics facilities across multiple Android platform releases.
AndroidX Health (Utility)
manages and accesses health data in Android.
Lifecycle (Utility)
perform actions in response to a change in the lifecycle status of another component, such as activities and fragments.
Androidx Navigation 3 (UI Component)
provides the building blocks for a Compose first Navigation solution that easily supports extensions.
Androidx Navigation Event (UI Component)
provides APIs to easily intercept platform navigation events, including swipes and clicks, to provide a consistent API surface for handling these events.
ProfileInstaller (Utility)
AndroidX library that enables libraries to prepopulate ahead of time compilation traces to be read by ART.
Room (Utility)
a persistence library that provides an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.
Android Activity Saved State (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
Sqlite (Utility)
library that contains abstract interfaces along with basic implementations which can be used to build your own libraries that access SQLite.
Startup (Utility)
AndroidX library to implement a straightforward, performant way to initialize components at app startup.
Tracing (Utility)
AndroidX library to write trace events to the system trace buffer.
Android Jetpack VersionedParcelable (Utility)
Provides a stable but relatively compact binary serialization format that can be passed across processes or persisted safely.
Jetpack WindowManager Library (Utility)
enables application developers to support new device form factors and multi-window environments. The library provides a common API surface for API versions 14 and later. Especially provides additional functionality on foldable devices.
WorkManager (Utility)
an API that makes it easy to schedule deferrable, asynchronous tasks that must be run reliably .
coil (Utility)
Coroutine Image Loader. An image loading library for Android backed by Kotlin Coroutines.
Accompanist (Utility)
a collection of extension libraries for Jetpack Compose.
Google Core Libraries for Java 6+ (Utility)
a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, functional types, an in-memory cache, and APIs/utilities for concurrency, I/O, hashing, primitives, reflection, string processing, and much more.
Vico (Utility)
a light and extensible chart library.
Kotlin (Utility)
The Kotlin Programming Language
kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
Kotlin serialization (Utility)
Kotlin cross-platform / multi-format serialization.
OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.

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A modern I/O API for Java to make it much easier to access, store, and process your data.

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Caffeine Health

Packages

Version 2.3.1 (2026-07-16)

Android Versions:

Permissions:

Features:

Malware-Check:Passed

37 Libraries detected:

Version 2.2.2-beta.2 (2026-06-11)

Android Versions:

Permissions:

Features:

Malware-Check:Passed

Version 2.2.2-beta.1 (2026-05-29)

Android Versions:

Permissions:

Features:

Malware-Check:Passed