# SITEチャット vs 調査員ぷらす

The clearest difference is update cadence: SITEチャット at every 6 weeks against 調査員ぷらす's every 3 months. 調査員ぷらす's advantage is iOS requirement (11.0 vs 15.0). 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.

SITEチャット ships an update every 6 weeks, 調査員ぷらす every 3 months. The most recent releases landed on August 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SITEチャット | 調査員ぷらす |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 45 MB | 21 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KENSETSU SYSTEM Co.Ltd.](https://appshunter.io/developer/451675934) | [ZeroSpace, Inc.](https://appshunter.io/developer/996053273) |

## What reviewers say

### 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


### 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 SITEチャット free?

SITEチャット 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 SITEチャット or 調査員ぷらす have ads?

Neither SITEチャット nor 調査員ぷらす shows ads.

### Which is updated more often, SITEチャット or 調査員ぷらす?

SITEチャット ships an update every 6 weeks, and 調査員ぷらす every 3 months. Most recently, SITEチャット was updated on August 17, 2026 and 調査員ぷらす on October 4, 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.*