# chaKra 公式アプリ vs AT WORK GROUP公式アプリ

The clearest difference is update cadence: AT WORK GROUP公式アプリ at every 17 months against chaKra 公式アプリ's every 40 months. chaKra 公式アプリ's advantage is iOS requirement (12.0 vs 14.0). 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.

chaKra 公式アプリ ships an update every 40 months, AT WORK GROUP公式アプリ every 17 months. The most recent releases landed on September 18, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | chaKra 公式アプリ | AT WORK GROUP公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 17 months** |
| Size | 15 MB | 83 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIKA OSONOE](https://appshunter.io/developer/1436814575) | [AT WORK CO.,LTD.](https://appshunter.io/developer/1703933931) |

## What reviewers say

### chaKra 公式アプリ

[App page](https://appshunter.io/ios/app/chakra/id1436814576)

**In-app purchases:** none


### AT WORK GROUP公式アプリ

[App page](https://appshunter.io/ios/app/at-work-group/id6463096775)

**In-app purchases:** none


## Frequently asked questions

### Is chaKra 公式アプリ free?

chaKra 公式アプリ is free to download, with no in-app purchases.

### Is AT WORK GROUP公式アプリ free?

AT WORK GROUP公式アプリ is free to download, with no in-app purchases.

### Do chaKra 公式アプリ or AT WORK GROUP公式アプリ have ads?

Neither chaKra 公式アプリ nor AT WORK GROUP公式アプリ shows ads.

### Which is updated more often, chaKra 公式アプリ or AT WORK GROUP公式アプリ?

chaKra 公式アプリ ships an update every 40 months, and AT WORK GROUP公式アプリ every 17 months. Most recently, chaKra 公式アプリ was updated on September 18, 2026 and AT WORK GROUP公式アプリ on July 19, 2026.

---

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