# Caffeine mg vs Quit Caffeine

The clearest difference is ads: Caffeine mg at none against Quit Caffeine's shown. Caffeine mg also leads on update cadence (weekly vs fortnightly). Quit Caffeine's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Caffeine mg sells 1 one-off in-app purchase and Quit Caffeine sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Caffeine mg ships an update weekly, Quit Caffeine fortnightly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Caffeine mg | Quit Caffeine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 5 MB | 98 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [kensuke ueda](https://appshunter.io/developer/961845390) | [SEONYONG LEE](https://appshunter.io/developer/6775892940) |

## 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 |


### Quit Caffeine

[App page](https://appshunter.io/ios/app/quit-caffeine-decaf-tracker/id6791872281)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Caffeine mg free?

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

### Is Quit Caffeine free?

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

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

Quit Caffeine shows ads; Caffeine mg does not.

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

Caffeine mg ships an update weekly, and Quit Caffeine fortnightly. Most recently, Caffeine mg was updated on October 25, 2026 and Quit Caffeine on October 29, 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.*