# 세나키 쿠폰 vs Noise Eraser

The clearest difference is in-app purchases: 세나키 쿠폰 at none against Noise Eraser's 1. 세나키 쿠폰 also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). Noise Eraser's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Noise Eraser sells 1 one-off in-app purchase. 세나키 쿠폰 asks for nothing beyond the download.

세나키 쿠폰 ships an update every 3 days, Noise Eraser weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 세나키 쿠폰 | Noise Eraser |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 38 MB | 25 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hyunwoo Park](https://appshunter.io/developer/1589344625) | [SHIHYUN KIM](https://appshunter.io/developer/6787841677) |

## What reviewers say

### 세나키 쿠폰

[App page](https://appshunter.io/ios/app/id6476266664)

Easily check and register coupons for Seven Knights Idle Adventure. Get notified of new coupons and avoid missing expiration dates. Manage multiple accounts for quick registration.

**Highlights:** Coupon information at a glance, Coupon registration within the app, Expiration date checks, Multiple account management, Push notifications for new coupons, Easy coupon copying and sharing

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

**In-app purchases:** none


### Noise Eraser

[App page](https://appshunter.io/ios/app/noise-eraser-shd/id6795836431)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlimited record | $0.99 | one-time |


## Frequently asked questions

### Is 세나키 쿠폰 free?

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

### Is Noise Eraser free?

Noise Eraser is free to download, with in-app purchases available.

### Do 세나키 쿠폰 or Noise Eraser have ads?

세나키 쿠폰 shows ads; Noise Eraser does not.

### Which is updated more often, 세나키 쿠폰 or Noise Eraser?

세나키 쿠폰 ships an update every 3 days, and Noise Eraser weekly. Most recently, 세나키 쿠폰 was updated on October 27, 2026 and Noise Eraser on October 31, 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.*