# Caffeine Clock vs DoseCalendar

The clearest difference is ads: Caffeine Clock at none against DoseCalendar's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Caffeine Clock sells 2 one-off in-app purchases and DoseCalendar sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Caffeine Clock | DoseCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (28 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 121 MB | 44 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) | [Tony AI](https://appshunter.io/developer/1771887878) |

## 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 |


### DoseCalendar

[App page](https://appshunter.io/ios/app/dosecalendar/id6789894620)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoseCalendar Plus Monthly | $4.99 | per month |
| DoseCalendar Plus Annual | $29.99 | per year |


## Frequently asked questions

### Is Caffeine Clock free?

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

### Is DoseCalendar free?

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

### Do Caffeine Clock or DoseCalendar have ads?

DoseCalendar shows ads; Caffeine Clock does not.

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

Caffeine Clock ships an update weekly, and DoseCalendar weekly. Most recently, Caffeine Clock was updated on November 4, 2026 and DoseCalendar on November 5, 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.*