# Caffeine Clock vs Simple Caffeine Tracker

The clearest difference is in-app purchases: Simple Caffeine Tracker at none against Caffeine Clock's 2. Simple Caffeine Tracker also leads on update cadence (every 2 days vs weekly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Caffeine Clock sells 2 one-off in-app purchases. Simple Caffeine Tracker asks for nothing beyond the download.

Caffeine Clock ships an update weekly, Simple Caffeine Tracker every 2 days. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Caffeine Clock | Simple Caffeine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 121 MB | 26 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) | [LUCAS GUFFROY](https://appshunter.io/developer/1846832915) |

## What reviewers say

### 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 |


### Simple Caffeine Tracker

[App page](https://appshunter.io/ios/app/simple-caffeine-tracker/id6758615552)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine Clock free?

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

### Is Simple Caffeine Tracker free?

Simple Caffeine Tracker is free to download, with no in-app purchases.

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

Neither Caffeine Clock nor Simple Caffeine Tracker shows ads.

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

Caffeine Clock ships an update weekly, and Simple Caffeine Tracker every 2 days. Most recently, Caffeine Clock was updated on October 20, 2026 and Simple Caffeine Tracker on October 13, 2026.

---

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