# CJ ONE vs 우체국

The clearest difference is review sentiment: CJ ONE at 71% against 우체국's 19%. CJ ONE also leads on rating (3.5 vs 2.2) and ratings volume (37 vs 10). 우체국's advantage is ads (none vs shown). On price, update cadence, 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.

CJ ONE holds the better App Store score, 3.5 against 2.2. Both are backed by a comparable volume of ratings — 37 and 10 respectively. Written reviews point the same way: 71% of CJ ONE's written reviews are positive against 19% of 우체국's.

CJ ONE ships an update every 5 weeks, 우체국 every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | CJ ONE | 우체국 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (37 ratings)](https://appshunter.io/ios/app/cj-one/id387363739/reviews)** | [2.2 (10 ratings)](https://appshunter.io/ios/app/id435940000/reviews) |
| Number of ratings | **37** | 10 |
| Positive reviews | **71.3% of reviews** | 18.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 176 MB | 16 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CJ OliveNetworks Co., Ltd.](https://appshunter.io/developer/692699879) | [ePost](https://appshunter.io/developer/435913311) |

## What reviewers say

### CJ ONE

[App page](https://appshunter.io/ios/app/cj-one/id387363739)

This lifestyle membership service offers exclusive benefits, special experiences, and rewards. Enjoy personalized deals, brand coupons, and convenient point accumulation and redemption through a mobile barcode. Engage in daily missions for extra points and rewards.

**Highlights:** Personalized benefit community, Brand coupons for dining, shopping, culture, Mobile barcode for points and gift cards, Daily missions for points (roulette, games, steps), Point accumulation and redemption, Gift card registration and usage

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient point management
- 👍 Easy to use
- 👍 Good for checking points
- 👍 Useful for coupons
- 👍 Good event participation

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🐛 Slow loading times
- 🐛 High battery usage
- 🐛 Frequent UI changes
- 🐛 Difficulty finding menus

**Reported bugs**

- App crashes on startup
- App freezes
- ARS authentication repeatedly required
- App not updating
- Gift card scratch number not visible

**Requested features**

- Change password rules
- Email masking feature
- Improve UI consistency
- Fix ARS authentication issues
- Improve gift card scratch number visibility


### 우체국

[App page](https://appshunter.io/ios/app/id435940000)

**In-app purchases:** none


## Frequently asked questions

### Is CJ ONE free?

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

### Is 우체국 free?

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

### Which has better reviews, CJ ONE or 우체국?

CJ ONE is rated higher. CJ ONE averages 3.5 out of 5 from 37 ratings, while 우체국 averages 2.2 from 10 ratings.

### Do CJ ONE or 우체국 have ads?

CJ ONE shows ads; 우체국 does not.

### Which is updated more often, CJ ONE or 우체국?

CJ ONE ships an update every 5 weeks, and 우체국 every 2 months. Most recently, CJ ONE was updated on October 29, 2026 and 우체국 on October 29, 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.*