# OSUN2 vs 쿨메신저 젠투

The clearest difference is update cadence: 쿨메신저 젠투 at every 5 months against OSUN2's every 28 months. OSUN2's advantage is iOS requirement (9.0 vs 12.0). 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.

OSUN2 ships an update every 28 months, 쿨메신저 젠투 every 5 months. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OSUN2 | 쿨메신저 젠투 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 20 MB | 18 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen YOUNG WIN Technology Co., Ltd.](https://appshunter.io/developer/1405507279) | [Jirancomms Co., Ltd.](https://appshunter.io/developer/1084593978) |

## What reviewers say

### OSUN2

[App page](https://appshunter.io/ios/app/osun2/id1504606789)

**Features:** macOS Compatibility

**In-app purchases:** none


### 쿨메신저 젠투

[App page](https://appshunter.io/ios/app/id1541577032)

This mobile application provides a remote access solution for a PC-based messaging and work platform. It allows users to communicate and manage tasks from their smartphones and tablets, syncing with the desktop version. Access requires a connection to a company or school server.

**Highlights:** PC version synchronization, Organizational chart viewing, Message sending and receiving, Receive announcements, Memo creation and viewing, Access Coolbox documents

**In-app purchases:** none


## Frequently asked questions

### Is OSUN2 free?

OSUN2 is free to download, with no in-app purchases.

### Is 쿨메신저 젠투 free?

쿨메신저 젠투 is free to download, with no in-app purchases.

### Do OSUN2 or 쿨메신저 젠투 have ads?

Neither OSUN2 nor 쿨메신저 젠투 shows ads.

### Which is updated more often, OSUN2 or 쿨메신저 젠투?

OSUN2 ships an update every 28 months, and 쿨메신저 젠투 every 5 months. Most recently, OSUN2 was updated on October 3, 2026 and 쿨메신저 젠투 on October 21, 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.*