# CafLog — Track daily caffeine

> Track daily caffeine (iPhone/iPad app by Yuto Uesugi.)

- Source: https://appshunter.io/ios/app/caflog/id6760961086 (this page in markdown: same URL + `.md`)
- Developer: [Yuto Uesugi](https://appshunter.io/developer/1887044260)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 26.1 · 3 MB
- Languages: American English, Japanese
- Released: 2026-04-10
- Data updated: 2026-06-20
- User reviews in markdown: https://appshunter.io/ios/app/caflog/id6760961086/reviews.md

## What is CafLog?

CafLog is an easy-to-use app for tracking and managing your caffeine intake.

■ Log caffeine in seconds  
Quickly log coffee, energy drinks, tea, chocolate, and more with a single tap from 18 preset options. Add custom drinks and favorites for even faster tracking.

■ Real-time caffeine tracking  
Using a half-life-based model, CafLog calculates your current caffeine level in real time. Visualize how caffeine is absorbed and metabolized throughout your body.

■ Check sleep impact  
Set your bedtime to estimate your caffeine level at night. Get clear insights with simple indicators: Safe, Caution, or Risk.

■ Stay motivated with achievements  
Unlock 21 unique achievements as you keep tracking. Progress through different rarity levels and enjoy changing themes as rewards.

■ Powerful analytics  
Explore your habits with 13 types of insights, including metabolism charts, time-of-day analysis, and drink rankings.

■ Widget support  
Check your caffeine intake and sleep impact right from your Home Screen or Lock Screen. Jump to logging with a single tap.

■ Pro Plan  
Unlock unlimited logging, full history access, all analytics features, HealthKit integration, iCloud sync, and more for advanced caffeine management.

【Key Features】

・18 preset drinks + custom drink creation  
・Real-time caffeine tracking (half-life model)  
・Sleep impact analysis based on bedtime (Safe / Caution / Risk)  
・21 achievement system (5 rarity levels)  
・7 home themes unlocked through achievements  
・13 analytics widgets  
・Calendar view (color-coded + notes)  
・Home Screen / Lock Screen widgets  

【Pro Features】

・Unlimited logging  
・Full history access  
・All analytics unlocked  
・HealthKit integration  
・iCloud sync  
・6 premium themes

Terms of Use (EULA): https://yuto1201.github.io/caflog-privacy/terms.html
Privacy Policy: https://yuto1201.github.io/caflog-privacy/privacy-policy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual Plan | $9.99 | per year |
| Monthly Plan | $1.99 | per month |



## Version history (last 1 release)

### 1.0 — 2026-04-11

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-20.*