# IKKI vs SITEチャット

The clearest difference is update cadence: SITEチャット at every 6 weeks against IKKI's every 4 months. IKKI's advantage is iOS requirement (12.4 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.

IKKI ships an update every 4 months, SITEチャット every 6 weeks. The most recent releases landed on October 6, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | IKKI | 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 4 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 45 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUNICOM co.,ltd.](https://appshunter.io/developer/1467153247) | [KENSETSU SYSTEM Co.Ltd.](https://appshunter.io/developer/451675934) |

## What reviewers say

### IKKI

[App page](https://appshunter.io/ios/app/ikki/id1467153248)

**Features:** macOS Compatibility

**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 IKKI free?

IKKI 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 IKKI or SITEチャット have ads?

Neither IKKI nor SITEチャット shows ads.

### Which is updated more often, IKKI or SITEチャット?

IKKI ships an update every 4 months, and SITEチャット every 6 weeks. Most recently, IKKI was updated on October 6, 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.*