# 緊急メール連絡板 vs ArchXtract(MDM Support)

The clearest difference is update cadence: ArchXtract(MDM Support) at every 3 months against 緊急メール連絡板's every 27 months. 緊急メール連絡板's advantage is iOS requirement (8.2 vs 14.0). 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.

緊急メール連絡板 ships an update every 27 months, ArchXtract(MDM Support) every 3 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 緊急メール連絡板 | ArchXtract(MDM Support) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 months** |
| Size | 2 MB | 127 MB |
| Requires iOS | **8.2** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [NETWELL CORPORATION](https://appshunter.io/developer/975775340) | [株式会社CEGB](https://appshunter.io/developer/560987466) |

## What reviewers say

### 緊急メール連絡板

[App page](https://appshunter.io/ios/app/id975775341)

**Features:** Vision Pro support

**In-app purchases:** none


### ArchXtract(MDM Support)

[App page](https://appshunter.io/ios/app/archxtractmdm-support/id1488048735)

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

**In-app purchases:** none


## Frequently asked questions

### Is 緊急メール連絡板 free?

緊急メール連絡板 is free to download, with no in-app purchases.

### Is ArchXtract(MDM Support) free?

ArchXtract(MDM Support) is free to download, with no in-app purchases.

### Do 緊急メール連絡板 or ArchXtract(MDM Support) have ads?

Neither 緊急メール連絡板 nor ArchXtract(MDM Support) shows ads.

### Which is updated more often, 緊急メール連絡板 or ArchXtract(MDM Support)?

緊急メール連絡板 ships an update every 27 months, and ArchXtract(MDM Support) every 3 months. Most recently, 緊急メール連絡板 was updated on September 21, 2026 and ArchXtract(MDM Support) on September 23, 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.*