# 일루시온 vs 퀴즈챌린지 Shhh

The clearest difference is ads: 일루시온 at none against 퀴즈챌린지 Shhh's shown. 일루시온 also leads on iOS requirement (13.0 vs 15.6). 퀴즈챌린지 Shhh's advantage is update cadence (every 4 days vs every 7 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 일루시온 sells 12 one-off in-app purchases and 퀴즈챌린지 Shhh sells 9 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

일루시온 ships an update every 7 months, 퀴즈챌린지 Shhh every 4 days. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 일루시온 | 퀴즈챌린지 Shhh |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/id1469047575/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 1.4 GB | 77 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Jun Sujin](https://appshunter.io/developer/1469047574) | [JINWOOK JUNG](https://appshunter.io/developer/6773303566) |

## What reviewers say

### 일루시온

[App page](https://appshunter.io/ios/app/id1469047575)

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 개발자 후원하기 | $0.99 | one-time |
| 일루시온 카를 고양이 귀 | $2.99 | one-time |
| 일루시온 신 고양이 귀 | $2.99 | one-time |
| 일루시온 에르쉬 고양이 귀 | $2.99 | one-time |
| 일루시온 에밀리아 고양이 귀 | $2.99 | one-time |
| 일루시온 아빈 고양이 귀 | $2.99 | one-time |
| 개발자 후원하기 | $3.99 | one-time |
| 일루시온 신 시나리오 | $6.99 | one-time |
| 일루시온 에르쉬 시나리오 | $6.99 | one-time |
| 일루시온 에밀리아 시나리오 | $6.99 | one-time |
| 일루시온 아빈 시나리오 | $6.99 | one-time |
| 일루시온 시나리오 전체 세트 | $22.99 | one-time |


### 퀴즈챌린지 Shhh

[App page](https://appshunter.io/ios/app/shhh-ox/id6773303564)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $0.99 | per month |
| 프리미엄 년간 | $11.99 | per year |
| 해독키 10개 | $0.49 | one-time |
| 이벤트 해독키 50개 | $0.99 | one-time |
| 무제한 해독권 7일 | $1.99 | one-time |
| 해독키 50개 | $2.99 | one-time |
| 해독키 100개 | $4.99 | one-time |
| 무제한 해독권 30일 | $4.99 | one-time |
| 무제한 해독권 365일 | $49.99 | one-time |


## Frequently asked questions

### Is 일루시온 free?

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

### Is 퀴즈챌린지 Shhh free?

퀴즈챌린지 Shhh is free to download, with in-app purchases available.

### Do 일루시온 or 퀴즈챌린지 Shhh have ads?

퀴즈챌린지 Shhh shows ads; 일루시온 does not.

### Which is updated more often, 일루시온 or 퀴즈챌린지 Shhh?

일루시온 ships an update every 7 months, and 퀴즈챌린지 Shhh every 4 days. Most recently, 일루시온 was updated on October 15, 2026 and 퀴즈챌린지 Shhh 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.*