# 建築構造データブック vs SSFMfree

The clearest difference is ads: 建築構造データブック at none against SSFMfree's shown. SSFMfree's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement 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, SSFMfree every 11 months. The most recent releases landed on November 11, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 建築構造データブック | SSFMfree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 11 months |
| Size | 0 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| 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) | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) |

## 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


### SSFMfree

[App page](https://appshunter.io/ios/app/ssfmfree/id1476228180)

**Features:** macOS Compatibility

**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 SSFMfree free?

SSFMfree is free to download, with no in-app purchases.

### Do 建築構造データブック or SSFMfree have ads?

SSFMfree shows ads; 建築構造データブック does not.

### Which is updated more often, 建築構造データブック or SSFMfree?

建築構造データブック ships an update every 8 months, and SSFMfree every 11 months. Most recently, 建築構造データブック was updated on November 11, 2026 and SSFMfree on October 29, 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.*