# Solution Linkage Mobile 施工管理 vs Open BRAIN（オープンブレイン）

The clearest difference is update cadence: Open BRAIN（オープンブレイン） at every 11 days against Solution Linkage Mobile 施工管理's every 10 months. Solution Linkage Mobile 施工管理's advantage is iOS requirement (10.0 vs 15.1). On price, ads, 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.

Solution Linkage Mobile 施工管理 ships an update every 10 months, Open BRAIN（オープンブレイン） every 11 days. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Solution Linkage Mobile 施工管理 | Open BRAIN（オープンブレイン） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 11 days** |
| Size | 44 MB | 46 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hitachi Construction Machinery Co., Ltd.](https://appshunter.io/developer/1310372444) | [OPEN8 Inc.](https://appshunter.io/developer/990515324) |

## What reviewers say

### Solution Linkage Mobile 施工管理

[App page](https://appshunter.io/ios/app/solution-linkage-mobile/id1470197146)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open BRAIN（オープンブレイン）

[App page](https://appshunter.io/ios/app/open-brain/id6695736371)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solution Linkage Mobile 施工管理 free?

Solution Linkage Mobile 施工管理 is free to download, with no in-app purchases.

### Is Open BRAIN（オープンブレイン） free?

Open BRAIN（オープンブレイン） is free to download, with no in-app purchases.

### Do Solution Linkage Mobile 施工管理 or Open BRAIN（オープンブレイン） have ads?

Neither Solution Linkage Mobile 施工管理 nor Open BRAIN（オープンブレイン） shows ads.

### Which is updated more often, Solution Linkage Mobile 施工管理 or Open BRAIN（オープンブレイン）?

Solution Linkage Mobile 施工管理 ships an update every 10 months, and Open BRAIN（オープンブレイン） every 11 days. Most recently, Solution Linkage Mobile 施工管理 was updated on September 23, 2026 and Open BRAIN（オープンブレイン） on September 11, 2026.

---

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