# 施工管理+α vs SITEチャット

The clearest difference is iOS requirement: 施工管理+α at 13.0 against SITEチャット's 15.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 13, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | 施工管理+α | SITEチャット |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | — | Free |
| Size | 33 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ブレイブ](https://appshunter.io/developer/1478396335) | [KENSETSU SYSTEM Co.Ltd.](https://appshunter.io/developer/451675934) |

## What reviewers say

### 施工管理+α

[App page](https://appshunter.io/ios/app/plus/id1478396606)

**In-app purchases:** none


### SITEチャット

[App page](https://appshunter.io/ios/app/site/id1480658876)

Facilitates communication for construction professionals with chat, voice, and video calls. Share blueprints and live video feeds from job sites, all for free. Integrates with a scheduling app for seamless workflow management.

**Highlights:** Group and individual chat, Voice and video calls, Blueprint sharing with annotation, Live video feed from job sites, Integration with SITEスケジュール, Free to use

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 施工管理+α free?

施工管理+α is free to download, with no in-app purchases.

### Is SITEチャット free?

SITEチャット is free to download, with no in-app purchases.

### Do 施工管理+α or SITEチャット have ads?

Neither 施工管理+α nor SITEチャット shows ads.

### Which is updated more often, 施工管理+α or SITEチャット?

施工管理+α ships an update every 6 weeks, and SITEチャット every 6 weeks. Most recently, 施工管理+α was updated on September 13, 2026 and SITEチャット on August 17, 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.*