# CafLog vs Caffeine mg

The clearest difference is iOS requirement: Caffeine mg at 18.0 against CafLog's 26.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CafLog sells 2 in-app purchases, starting at $1.99 per month and Caffeine mg sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CafLog | Caffeine mg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 3 MB | 5 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Yuto Uesugi](https://appshunter.io/developer/1887044260) | [kensuke ueda](https://appshunter.io/developer/961845390) |

## What reviewers say

### CafLog

[App page](https://appshunter.io/ios/app/caflog/id6760961086)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $9.99 | per year |


### 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 |


## Frequently asked questions

### Is CafLog free?

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

### Is Caffeine mg free?

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

### Do CafLog or Caffeine mg have ads?

Neither CafLog nor Caffeine mg shows ads.

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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.*