# CJ ONE vs D

The clearest difference is ads: D at none against CJ ONE's shown. D also leads on update cadence (every 5 days vs monthly) and monetization model (free vs free with in-app purchases). CJ ONE's advantage is review sentiment (71% vs 50%). On price, 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 ships an update monthly, D every 5 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CJ ONE | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (37 ratings)](https://appshunter.io/ios/app/cj-one/id387363739/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | **71.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 176 MB | 15 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CJ OliveNetworks Co., Ltd.](https://appshunter.io/developer/692699879) | [Sono Hotels & Resorts Co., Ltd.](https://appshunter.io/developer/791472844) |

## 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


### D

[App page](https://appshunter.io/ios/app/d-sono/id1519952690)

This app allows guests of Sono Hotels & Resorts and its affiliates to express praise and gratitude to staff members for excellent service. It aims to foster a positive and proactive culture by encouraging feedback.

**Highlights:** Praise staff for excellent service, Express gratitude to employees, Contribute to a positive hotel culture, Provide service feedback

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CJ ONE free?

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

### Is D free?

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

### Do CJ ONE or D have ads?

CJ ONE shows ads; D does not.

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

CJ ONE ships an update monthly, and D every 5 days. Most recently, CJ ONE was updated on October 17, 2026 and D on October 2, 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.*