# CLASS1 ARCHITECT 建築情報 vs 鉄鋼新聞

The clearest difference is review sentiment: 鉄鋼新聞 at 100% against CLASS1 ARCHITECT 建築情報's 0%. 鉄鋼新聞 also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.4). CLASS1 ARCHITECT 建築情報's advantage is update cadence (every 3 weeks vs every 9 months). On price, 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.

CLASS1 ARCHITECT 建築情報 ships an update every 3 weeks, 鉄鋼新聞 every 9 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CLASS1 ARCHITECT 建築情報 | 鉄鋼新聞 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Ad-supported | — |
| Size | 29 MB | 12 MB |
| Requires iOS | 13.4 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OOKABE Creations株式会社](https://appshunter.io/developer/1506556838) | [株式会社鉄鋼新聞社](https://appshunter.io/developer/1548438754) |

## 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


### 鉄鋼新聞

[App page](https://appshunter.io/ios/app/id1548438752)

**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 鉄鋼新聞 free?

鉄鋼新聞 is free to download, with no in-app purchases.

### Do CLASS1 ARCHITECT 建築情報 or 鉄鋼新聞 have ads?

CLASS1 ARCHITECT 建築情報 shows ads; 鉄鋼新聞 does not.

### Which is updated more often, CLASS1 ARCHITECT 建築情報 or 鉄鋼新聞?

CLASS1 ARCHITECT 建築情報 ships an update every 3 weeks, and 鉄鋼新聞 every 9 months. Most recently, CLASS1 ARCHITECT 建築情報 was updated on October 7, 2026 and 鉄鋼新聞 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.*