# Caffeine Tracker - SipLog — Coffee Log for Better Sleep

> Coffee Log for Better Sleep (iPhone/iPad app by Gruffydd Johnston.)

- Source: https://appshunter.io/ios/app/caffeine-tracker-siplog/id6746972423 (this page in markdown: same URL + `.md`)
- Developer: [Gruffydd Johnston](https://appshunter.io/developer/1651486785)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 15 MB
- Languages: American English, German (Germany), Japanese, Latin American Spanish
- Released: 2025-06-09
- Data updated: 2026-10-21

## What is Caffeine Tracker?

Know when your caffeine wears off.

SipLog tracks every coffee, tea and energy drink and estimates how much caffeine is still in your system right now. See the curve for your day, how far you are into your daily guide, and the time you'll be sleep-ready.

LOG IN ONE TAP
• Tap a drink to log it, or touch and hold to change the size or time
• Undo straight away if you tap the wrong one
• Search a library of coffees, teas, sodas and energy drinks, or enter any amount
• Save your usual order with its exact caffeine

KNOW WHEN YOU'LL SLEEP
• A live estimate of caffeine in your system, based on its half-life
• Your sleep-ready time, and how each drink would change it before you log it
• A cut-off reminder before the last time a coffee will wear off by bedtime
• Set your own daily guide, bedtime, half-life and sleep-ready level

WIDGETS AND LIVE ACTIVITY
• Home Screen and Lock Screen widgets showing caffeine now and when you'll be sleep-ready
• Log your usual drinks straight from the widget
• A Live Activity counts down to sleep-ready on your Lock Screen and in the Dynamic Island

SEE YOUR PATTERNS
• Daily, monthly and yearly trends against your guide
• Caffeine still active at bedtime and when you usually have your last drink
• See how caffeine affects your sleep, using sleep data from Apple Health
• Export your history as CSV

PRIVATE BY DESIGN
• Drinks you log are saved to Apple Health if you choose, and sync with iCloud
• Sleep data is read only when you turn on the sleep report, and never leaves your iPhone

SIPLOG PRO
Pro unlocks your sleep-ready time and what-if preview, the sleep report, the Live Activity, month and year trends, and saving your own drinks. Pro is available as a monthly or yearly subscription, with a free trial for new subscribers. Payment is charged to your Apple Account when you confirm the purchase, or at the end of the free trial. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings.

SipLog gives estimates for awareness. It isn't medical advice.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://siplog-website.vercel.app/posts/privacy/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $9.99 | per year |


## Is Caffeine Tracker safe?

Not enough ratings yet to assess Caffeine Tracker.

## Is Caffeine Tracker legit?

Caffeine Tracker - SipLog appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Caffeine Tracker is 78 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 2.0 — 2026-10-10

SipLog 2.0 is a complete redesign for iOS 26, with a new app icon.

• See how much caffeine is in your system right now
• Log drinks in one tap, with Undo
• Log with Siri, Shortcuts, Control Center or the Action button
• New Home Screen and Lock Screen widgets with quick logging
• Caffeine cut-off reminder before your last coffee of the day
• Export your history as CSV
• Now in German, Spanish and Japanese

With SipLog Pro:
• See when you'll be sleep-ready, and how each drink would change it
• A Live Activity counting down to sleep-ready
• See how caffeine affects your sleep, using Apple Health
• Month and year trends

### 1.3 — 2025-08-21

Bugfixes and improvements

### 1.2 — 2025-07-11

Bugfixes and improvements

### 1.1 — 2025-06-20

We’ve added the ability to edit your custom drinks.

### 1.0 — 2025-06-09

No release notes.

## Apps similar to Caffeine Tracker

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MyCaffLog - Caffeine Tracker](https://appshunter.io/ios/app/mycafflog-caffeine-tracker/id6758221522) | 5.0 (1) | Free | Health & Fitness |
| [Atey20: HIIT & Boxing Timer](https://appshunter.io/ios/app/atey20-hiit-and-boxing-timer/id6756278161) | — | Free | Health & Fitness |
| [TKD360](https://appshunter.io/ios/app/tkd360/id6760412378) | — | Free | Health & Fitness |
| [Lify Coach](https://appshunter.io/ios/app/lify-coach/id6749462021) | — | Free | Health & Fitness |
| [Caffeine — Track your intake](https://appshunter.io/ios/app/caffeine-track-your-intake/id6736510700) | 5.0 (1) | Free | Health & Fitness |
| [Sleepsyn: Sleep Score Tracker](https://appshunter.io/ios/app/sleepsyn-sleep-score-tracker/id6777352590) | 5.0 (3) | Free | Health & Fitness |

## More apps by Gruffydd Johnston

- [Garden Planner: VegLog](https://appshunter.io/ios/app/garden-planner-veglog/id6444013681)
- [Seren: Rain Storm Sleep Sounds](https://appshunter.io/ios/app/seren-rain-storm-sleep-sounds/id6447588891)
- [MakerLog: Craft Journal](https://appshunter.io/ios/app/makerlog-craft-journal/id6479205653)
- [Golf Journal](https://appshunter.io/ios/app/golf-journal/id6495440264)
- [DiscScout: Disc Golf Tracker](https://appshunter.io/ios/app/discscout-disc-golf-tracker/id6621185498)
- [Golf Scout: GPS Range Finder](https://appshunter.io/ios/app/golf-scout-gps-range-finder/id6720764908)

All apps by Gruffydd Johnston: https://appshunter.io/developer/1651486785

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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 2026-10-21.*