# モグダイエット vs やせもん

The clearest difference is update cadence: やせもん at every 2 days against モグダイエット's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. モグダイエット sells 4 in-app purchases, starting at $2.99 per month and やせもん sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

モグダイエット ships an update every 5 days, やせもん every 2 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | モグダイエット | やせもん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 102 MB | 56 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [kim dongsu](https://appshunter.io/developer/1893497771) | [KAZUYA MATSUMOTO](https://appshunter.io/developer/6778482810) |

## What reviewers say

### モグダイエット

[App page](https://appshunter.io/ios/app/pfc/id6762236486)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| モグダイエット 月額プラン | $2.99 | per month |
| モグダイエット 週額プラン | $2.99 | per 7 days |
| モグダイエット 年額プラン | $29.99 | per year |
| 特別オファー | $29.99 | per year |


### やせもん

[App page](https://appshunter.io/ios/app/id6778482808)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |


## Frequently asked questions

### Is モグダイエット free?

モグダイエット is free to download, with in-app purchases available.

### Is やせもん free?

やせもん is free to download, with in-app purchases available.

### Do モグダイエット or やせもん have ads?

Neither モグダイエット nor やせもん shows ads.

### Which is updated more often, モグダイエット or やせもん?

モグダイエット ships an update every 5 days, and やせもん every 2 days. Most recently, モグダイエット was updated on October 12, 2026 and やせもん on October 12, 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.*