# Dieter vs 肛門

The clearest difference is update cadence: 肛門 at every 3 days against Dieter's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dieter ships an update every 9 days, 肛門 every 3 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Dieter | 肛門 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 23 MB | 2 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Yuuki Hamada](https://appshunter.io/developer/1563687647) | [masataka aoki](https://appshunter.io/developer/1566858529) |

## What reviewers say

### Dieter

[App page](https://appshunter.io/ios/app/dieter/id1563687645)

**Features:** macOS Compatibility

**In-app purchases:** none


### 肛門

[App page](https://appshunter.io/ios/app/id6747006225)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Dieter free?

Dieter is free to download, with no in-app purchases.

### Is 肛門 free?

肛門 is free to download, with no in-app purchases.

### Do Dieter or 肛門 have ads?

Neither Dieter nor 肛門 shows ads.

### Which is updated more often, Dieter or 肛門?

Dieter ships an update every 9 days, and 肛門 every 3 days. Most recently, Dieter was updated on November 7, 2026 and 肛門 on November 3, 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.*