# 週刊ダイヤモンド vs Chieumi

The clearest difference is in-app purchases: Chieumi at none against 週刊ダイヤモンド's 6. Chieumi also leads on update cadence (every 2 months vs every 7 months). 週刊ダイヤモンド's advantage is iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 週刊ダイヤモンド sells 6 in-app purchases, starting at $4.99 per 7 days. Chieumi asks for nothing beyond the download.

週刊ダイヤモンド ships an update every 7 months, Chieumi every 2 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 週刊ダイヤモンド | Chieumi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 28 MB | 52 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIAMOND, Inc.](https://appshunter.io/developer/368890276) | [KOSEI PUBLISHING CO.](https://appshunter.io/developer/1626942067) |

## What reviewers say

### 週刊ダイヤモンド

[App page](https://appshunter.io/ios/app/id486317533)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 週刊ダイヤモンド | $4.99 | per 7 days |
| 週刊ダイヤモンド | $22.99 | per month |
| 週刊ダイヤモンド | $39.99 | per 2 months |
| 週刊ダイヤモンド | $59.99 | per 3 months |
| 週刊ダイヤモンド | $129.99 | per 6 months |
| 週刊ダイヤモンド | $199.99 | per year |


### Chieumi

[App page](https://appshunter.io/ios/app/chieumi/id1626941855)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 週刊ダイヤモンド free?

週刊ダイヤモンド is free to download, with in-app purchases available.

### Is Chieumi free?

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

### Do 週刊ダイヤモンド or Chieumi have ads?

Neither 週刊ダイヤモンド nor Chieumi shows ads.

### Which is updated more often, 週刊ダイヤモンド or Chieumi?

週刊ダイヤモンド ships an update every 7 months, and Chieumi every 2 months. Most recently, 週刊ダイヤモンド was updated on October 29, 2026 and Chieumi on October 27, 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.*