# CLASS1 ARCHITECT 建築情報 vs 建築3分ニュース

The clearest difference is ads: 建築3分ニュース at none against CLASS1 ARCHITECT 建築情報's shown. CLASS1 ARCHITECT 建築情報's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 18.0). On price, update cadence and in-app purchases there is nothing between them.

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

CLASS1 ARCHITECT 建築情報 ships an update every 3 weeks, 建築3分ニュース every 10 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CLASS1 ARCHITECT 建築情報 | 建築3分ニュース |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 29 MB | 5 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [OOKABE Creations株式会社](https://appshunter.io/developer/1506556838) | [Sho Nakamura](https://appshunter.io/developer/6800172330) |

## What reviewers say

### CLASS1 ARCHITECT 建築情報

[App page](https://appshunter.io/ios/app/class1-architect/id1514528001)

Discover building materials used by renowned architects and find new ones. Access information on proposals, subsidies, and new product launches. Purchase high-quality materials directly through the app.

**Highlights:** See materials used by famous architects, Access proposal and subsidy information, Discover new and featured building materials, Read in-depth articles on materials, Order building materials online

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

**In-app purchases:** none


### 建築3分ニュース

[App page](https://appshunter.io/ios/app/3/id6800172328)

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

**In-app purchases:** none


## Frequently asked questions

### Is CLASS1 ARCHITECT 建築情報 free?

CLASS1 ARCHITECT 建築情報 is free to download, with no in-app purchases.

### Is 建築3分ニュース free?

建築3分ニュース is free to download, with no in-app purchases.

### Do CLASS1 ARCHITECT 建築情報 or 建築3分ニュース have ads?

CLASS1 ARCHITECT 建築情報 shows ads; 建築3分ニュース does not.

### Which is updated more often, CLASS1 ARCHITECT 建築情報 or 建築3分ニュース?

CLASS1 ARCHITECT 建築情報 ships an update every 3 weeks, and 建築3分ニュース every 10 days. Most recently, CLASS1 ARCHITECT 建築情報 was updated on October 7, 2026 and 建築3分ニュース on September 30, 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.*