# Caffeine Clock vs Nicotine Tracker

The clearest difference is monetization model: Caffeine Clock at free against Nicotine Tracker's free with in-app purchases. Nicotine Tracker's advantage is rating (4.9 vs 4.7). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Caffeine Clock sells 2 one-off in-app purchases and Nicotine Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nicotine Tracker holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 27 and 10 respectively.

Caffeine Clock ships an update weekly, Nicotine Tracker every 6 days. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Caffeine Clock | Nicotine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (27 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews) | **[4.9 (10 ratings)](https://appshunter.io/ios/app/nicotine-tracker-nictracker/id6775972932/reviews)** |
| Number of ratings | **27** | 10 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 121 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) | [Utku Tibet](https://appshunter.io/developer/6775972934) |

## 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 |


### Nicotine Tracker

[App page](https://appshunter.io/ios/app/nicotine-tracker-nictracker/id6775972932)

This app estimates your current nicotine levels using a pharmacokinetic model based on logged products. It tracks your intake and provides insights into usage patterns to aid in reduction or quitting.

**Highlights:** Real-time nicotine level estimation, Pharmacokinetic modeling, Log various nicotine products, Daily, weekly, monthly intake tracking, Home screen widgets, Trend analysis and recovery scoring

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NicTracker Insights | $5.99 | one-time |


## Frequently asked questions

### Is Caffeine Clock free?

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

### Is Nicotine Tracker free?

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

### Which has better reviews, Caffeine Clock or Nicotine Tracker?

Nicotine Tracker is rated higher. Caffeine Clock averages 4.7 out of 5 from 27 ratings, while Nicotine Tracker averages 4.9 from 10 ratings.

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

Neither Caffeine Clock nor Nicotine Tracker shows ads.

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

Caffeine Clock ships an update weekly, and Nicotine Tracker every 6 days. Most recently, Caffeine Clock was updated on October 20, 2026 and Nicotine Tracker on October 23, 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.*