# 建築構造データブック vs 調査員ぷらす

The clearest difference is update cadence: 調査員ぷらす at every 3 months against 建築構造データブック's every 8 months. 調査員ぷらす also leads on device support (3 vs 1) and iOS requirement (11.0 vs 15.0). On price, ads 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.

建築構造データブック ships an update every 8 months, 調査員ぷらす every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 建築構造データブック | 調査員ぷらす |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 0 MB | 21 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ストラクチャー](https://appshunter.io/developer/1097429252) | [ZeroSpace, Inc.](https://appshunter.io/developer/996053273) |

## What reviewers say

### 建築構造データブック

[App page](https://appshunter.io/ios/app/id1097429253)

**Features:** macOS Compatibility

**In-app purchases:** none


### 調査員ぷらす

[App page](https://appshunter.io/ios/app/id1501808445)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 建築構造データブック free?

建築構造データブック is free to download, with no in-app purchases.

### Is 調査員ぷらす free?

調査員ぷらす is free to download, with no in-app purchases.

### Do 建築構造データブック or 調査員ぷらす have ads?

Neither 建築構造データブック nor 調査員ぷらす shows ads.

### Which is updated more often, 建築構造データブック or 調査員ぷらす?

建築構造データブック ships an update every 8 months, and 調査員ぷらす every 3 months. Most recently, 建築構造データブック was updated on November 2, 2026 and 調査員ぷらす on November 3, 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.*