# Simple Caffeine vs Caffeine Clock

The clearest difference is price: Caffeine Clock at Free against Simple Caffeine's $0.99. Caffeine Clock also leads on update cadence (weekly vs every 8 months). Simple Caffeine's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On review sentiment and ads there is nothing between them.

Caffeine Clock is free to download; Simple Caffeine costs $0.99 up front. Caffeine Clock sells 2 one-off in-app purchases. Simple Caffeine asks for nothing beyond the download.

Simple Caffeine ships an update every 8 months, Caffeine Clock weekly. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Simple Caffeine | Caffeine Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (27 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 75.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 18 MB | 119 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [feb19](https://appshunter.io/developer/358045838) | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) |

## What reviewers say

### Simple Caffeine

[App page](https://appshunter.io/ios/app/simple-caffeine/id1451062048)

Easily track your caffeine intake with a simple interface. This app saves your caffeine consumption data directly to Apple Health, requiring access to your health data.

**Highlights:** Simple caffeine logging, Apple Health integration, Track intake history, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### Caffeine Clock

[App page](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396)

This app helps you track your caffeine intake and understand its impact on your sleep. It models caffeine absorption and half-life to provide a clear view of your current and projected levels, allowing you to plan your consumption for better rest.

**Highlights:** Caffeine absorption and half-life modeling, Real-time caffeine level tracking, Interactive home screen widgets, Sleep-aware insights and bedtime planning, Extensive drink database with custom options, Daily caffeine threshold alerts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Simple Caffeine free?

Simple Caffeine costs $0.99, with no in-app purchases.

### Is Caffeine Clock free?

Caffeine Clock is free to download, with in-app purchases available.

### Do Simple Caffeine or Caffeine Clock have ads?

Neither Simple Caffeine nor Caffeine Clock shows ads.

### Which is updated more often, Simple Caffeine or Caffeine Clock?

Simple Caffeine ships an update every 8 months, and Caffeine Clock weekly. Most recently, Simple Caffeine was updated on October 4, 2026 and Caffeine Clock on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*