# Seven Arch(セブンアーチ) 公式アプリ vs Web Grave

The clearest difference is in-app purchases: Seven Arch(セブンアーチ) 公式アプリ at none against Web Grave's 6. Web Grave's advantage is update cadence (every 4 days vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Web Grave sells 6 in-app purchases, starting at $1.99 per month. Seven Arch(セブンアーチ) 公式アプリ asks for nothing beyond the download.

Seven Arch(セブンアーチ) 公式アプリ ships an update every 22 months, Web Grave every 4 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Seven Arch(セブンアーチ) 公式アプリ | Web Grave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 4 days** |
| Size | 18 MB | 160 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEVEN ARCH, CO., LTD.](https://appshunter.io/developer/1544372085) | [Web Grave Inc.](https://appshunter.io/developer/1804106298) |

## What reviewers say

### Seven Arch(セブンアーチ) 公式アプリ

[App page](https://appshunter.io/ios/app/seven-arch/id1544372083)

**Features:** macOS Compatibility

**In-app purchases:** none


### Web Grave

[App page](https://appshunter.io/ios/app/web-grave/id6743707452)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1人〜5人月額プラン | $1.99 | per month |
| 1人〜10人月額プラン | $2.99 | per month |
| 1人〜20人月額プラン | $5.99 | per month |
| 1人〜5人年額プラン | $19.99 | per year |
| 1人〜10人年額プラン | $34.99 | per year |
| 1人〜20人年額プラン | $59.99 | per year |


## Frequently asked questions

### Is Seven Arch(セブンアーチ) 公式アプリ free?

Seven Arch(セブンアーチ) 公式アプリ is free to download, with no in-app purchases.

### Is Web Grave free?

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

### Do Seven Arch(セブンアーチ) 公式アプリ or Web Grave have ads?

Neither Seven Arch(セブンアーチ) 公式アプリ nor Web Grave shows ads.

### Which is updated more often, Seven Arch(セブンアーチ) 公式アプリ or Web Grave?

Seven Arch(セブンアーチ) 公式アプリ ships an update every 22 months, and Web Grave every 4 days. Most recently, Seven Arch(セブンアーチ) 公式アプリ was updated on October 11, 2026 and Web Grave on October 8, 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.*