# Caffeine mg vs Caffeine Tracker

The clearest difference is iOS requirement: Caffeine Tracker at 16.4 against Caffeine mg's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Caffeine mg sells 1 one-off in-app purchase and Caffeine Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. 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 October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Caffeine mg | Caffeine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 5 MB | 79 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [kensuke ueda](https://appshunter.io/developer/961845390) | [EMIR YAVCIN](https://appshunter.io/developer/1887524872) |

## What reviewers say

### Caffeine mg

[App page](https://appshunter.io/ios/app/caffeine-mg-half-life-tracker/id6763047063)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| カフェインmg Pro | $1.99 | one-time |


### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-coffy/id6795906868)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $24.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Caffeine mg free?

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

### Is Caffeine Tracker free?

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

### Do Caffeine mg or Caffeine Tracker have ads?

Neither Caffeine mg nor Caffeine Tracker shows ads.

### Which is updated more often, Caffeine mg or Caffeine Tracker?

Caffeine mg ships an update weekly, and Caffeine Tracker weekly. Most recently, Caffeine mg was updated on October 7, 2026 and Caffeine Tracker on October 25, 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.*