# スマホで構造計算 vs DRA AR

The clearest difference is update cadence: スマホで構造計算 at every 2 months against DRA AR's every 6 months. DRA AR's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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.

スマホで構造計算 ships an update every 2 months, DRA AR every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | スマホで構造計算 | DRA AR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 4 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ストラクチャー](https://appshunter.io/developer/1097429252) | [株式会社建築ピボット](https://appshunter.io/developer/1450903325) |

## What reviewers say

### スマホで構造計算

[App page](https://appshunter.io/ios/app/id1172071862)

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

**In-app purchases:** none


### DRA AR

[App page](https://appshunter.io/ios/app/dra-ar/id6468973486)

**In-app purchases:** none


## Frequently asked questions

### Is スマホで構造計算 free?

スマホで構造計算 is free to download, with no in-app purchases.

### Is DRA AR free?

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

### Do スマホで構造計算 or DRA AR have ads?

Neither スマホで構造計算 nor DRA AR shows ads.

### Which is updated more often, スマホで構造計算 or DRA AR?

スマホで構造計算 ships an update every 2 months, and DRA AR every 6 months. Most recently, スマホで構造計算 was updated on November 2, 2026 and DRA AR on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*