# COSTUMEOCLOCK vs KKST

The clearest difference is update cadence: KKST at monthly against COSTUMEOCLOCK's every 10 months. COSTUMEOCLOCK's advantage is iOS requirement (14.0 vs 16.0). 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.

COSTUMEOCLOCK ships an update every 10 months, KKST monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | COSTUMEOCLOCK | KKST |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | — | Free |
| Size | 72 MB | 74 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)씨오리퍼블릭](https://appshunter.io/developer/1598055222) | [KKST INC](https://appshunter.io/developer/1758655108) |

## What reviewers say

### COSTUMEOCLOCK

[App page](https://appshunter.io/ios/app/costumeoclock/id1598055220)

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

**In-app purchases:** none


### KKST

[App page](https://appshunter.io/ios/app/kkst/id6566171350)

Access exclusive coupons, discounts, and special offers optimized for mobile. Manage orders, shipping information, and your shopping cart with automatic login and store notifications.

**Highlights:** Exclusive coupons and discounts, Automatic login, Order tracking, Shopping cart management, Store notifications, Customer service access

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

**In-app purchases:** none


## Frequently asked questions

### Is COSTUMEOCLOCK free?

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

### Is KKST free?

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

### Do COSTUMEOCLOCK or KKST have ads?

Neither COSTUMEOCLOCK nor KKST shows ads.

### Which is updated more often, COSTUMEOCLOCK or KKST?

COSTUMEOCLOCK ships an update every 10 months, and KKST monthly. Most recently, COSTUMEOCLOCK was updated on October 27, 2026 and KKST on October 24, 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.*