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App Store Apps > Health & Fitness > Caffie
Caffie icon

Caffie

by Kosuke Sakuma · Health & Fitness · Free
On the App Store since April 2026 · Data updated 2026-10-30

Caffie is made and published by Kosuke Sakuma. AppBrain is an independent app data site and isn't affiliated with Kosuke Sakuma. The app name, icon, screenshots and description belong to Kosuke Sakuma and are shown as published on the App Store.

AppBrain's verdict

Last updated
April 2, 2026
Size
1.62 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Caffie for iOS

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Store listing

By Kosuke Sakuma, from the App Store
Caffie Screenshot 1 of 4
Caffie Screenshot 2 of 4
Caffie Screenshot 3 of 4
Caffie Screenshot 4 of 4
Screenshots by Kosuke Sakuma, from the the App Store listing
Description by Kosuke Sakuma Written by the developer, not by AppBrain. Click to read.
Make caffeine your ally for peak performance and deep sleep.

An intuitive tracker app that accurately simulates your "current caffeine levels" and exactly "when it will clear" from your system.

Coffee and energy drinks are amazing tools for boosting focus, but consuming them at the wrong time or in the wrong amounts can severely degrade your sleep quality at night.
With Caffie, you can see at a glance when caffeine will leave your body, allowing you to plan the perfect time to relax.

[Core Features]
• Real-Time Level Display: Visualize your naturally decreasing caffeine levels over time with an intuitive graph.
• Smart Insights: Receive precise advice based on your current levels, such as "Optimal alertness" or "Avoid further intake."
• Clearance Prediction: Automatically calculates the time until your caffeine level "down to adequate level" and "reaches near zero."
• Simple Logging: Intuitively log your drinks with a single tap.

[Caffine Pro (Premium Features)]
Unlock all features permanently for the price of a single cup of coffee.
• Home Screen Widget: Check your current caffeine levels anytime without opening the app.
• All-Time History Data: Look back at all your past records and analyze your caffeine habits.
• Unlimited Custom List: Add your frequently consumed drinks without any limits.

*Disclaimer
The calculations for half-life and remaining body levels provided by this app are estimates based on general scientific data. They are not intended to provide medical advice. Please consult a medical professional for accurate judgments regarding your health.

Caffine is a smart tracker that visualizes your remaining caffeine levels in real time and supports optimal caffeine control.
Since you can also check your daily caffeine intake history, you can thoroughly manage your caffeine with just this one app.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
1.62 MB
Content rating
Medium

Technologies used by Caffie

Releases

Updates seen on the App Store
Version
1.1
Launched
April 2026

No changelog data

Rankings

App Store top charts

App Store Rankings for Caffie

This app is not ranked

About the app and developer

About Caffie

Caffie is a health & fitness app developed by Kosuke Sakuma.

User Ratings

The app has no ratings yet.

App Information

Caffie is freely available from the App Store. The app size is 1.62 MB. The latest version available is 1.1. The last update was on April 2, 2026.

Technical Requirements

The app has a content rating of Medium Maturity. The app has been available on the App Store since April 2026.

Developer information for Kosuke Sakuma

Kosuke Sakuma

Address:

Frequently asked questions about Caffie

Is Caffie free?

Yes. Caffie is free on the App Store.

Is Caffie still available?

Yes. Caffie is on the App Store, and the last update we saw was on April 2, 2026.

How large is Caffie?

Caffie is 1.62 MB.

Is Caffie suitable for children?

App Store gives Caffie a medium maturity rating, so it is not meant for young children.

Who made Caffie?

Caffie was developed by Kosuke Sakuma. It is listed in the health & fitness category on the App Store.

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