# 越狱密室逃亡系列4：逃出城堡 vs Boing! Rubber Duck

The clearest difference is rating: Boing! Rubber Duck at 4.6 against 越狱密室逃亡系列4：逃出城堡's 4.0. Boing! Rubber Duck also leads on update cadence (fortnightly vs every 4 months). 越狱密室逃亡系列4：逃出城堡's advantage is ads (none vs shown) and iOS requirement (6.0 vs 14.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. 越狱密室逃亡系列4：逃出城堡 sells 2 one-off in-app purchases and Boing! Rubber Duck sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Boing! Rubber Duck holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

越狱密室逃亡系列4：逃出城堡 ships an update every 4 months, Boing! Rubber Duck fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 越狱密室逃亡系列4：逃出城堡 | Boing! Rubber Duck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/4/id1094589093/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/boing-rubber-duck/id6508169287/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 178 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [XIAN YUAN LUO](https://appshunter.io/developer/1229008253) | [NANOO COMPANY Inc.](https://appshunter.io/developer/1011714859) |

## What reviewers say

### 越狱密室逃亡系列4：逃出城堡

[App page](https://appshunter.io/ios/app/4/id1094589093)

Escape a magically enchanted castle by solving puzzles and finding clues. Combine items to overcome challenges across 15 levels. Enjoy high-quality graphics and immersive sound effects as you progress through a captivating storyline.

**Highlights:** 15 challenging levels, Puzzle solving, Item combination, Clue finding, High-quality graphics, Immersive sound effects

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Unlock All Hints | $0.99 | one-time |


### Boing! Rubber Duck

[App page](https://appshunter.io/ios/app/boing-rubber-duck/id6508169287)

Embark on an idle RPG adventure with a rubber duck hero who joins a team of Super Ducks to defend their world. Collect unique companions, upgrade your hero, and explore diverse stages with engaging gameplay and endless growth.

**Highlights:** Idle gameplay with automatic battles, Collect over 24 unique Super Duck companions, Endless growth and upgrade system, Varied stages and special game modes, Clicker mini-games for added fun, Suitable for all ages

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Comeback Welcome Pack | $1.99 | one-time |
| 5-Day Commemoration Pack | $4.99 | one-time |
| Remove Ads Pack | $4.99 | one-time |
| 2x Sweet Pack | $4.99 | one-time |
| Don't Starve! Pack | $4.99 | one-time |
| 10-Day Commemoration Pack | $6.99 | one-time |
| 20-Day Commemoration Pack | $9.99 | one-time |
| 30-Day Commemoration Pack | $12.99 | one-time |
| 50-Day Commemoration Pack | $14.99 | one-time |
| 100-Day Commemoration Pack | $19.99 | one-time |


## Frequently asked questions

### Is 越狱密室逃亡系列4：逃出城堡 free?

越狱密室逃亡系列4：逃出城堡 is free to download, with in-app purchases available.

### Is Boing! Rubber Duck free?

Boing! Rubber Duck is free to download, with in-app purchases available.

### Which has better reviews, 越狱密室逃亡系列4：逃出城堡 or Boing! Rubber Duck?

Boing! Rubber Duck is rated higher. 越狱密室逃亡系列4：逃出城堡 averages 4.0 out of 5 from 3 ratings, while Boing! Rubber Duck averages 4.6 from 5 ratings.

### Do 越狱密室逃亡系列4：逃出城堡 or Boing! Rubber Duck have ads?

Boing! Rubber Duck shows ads; 越狱密室逃亡系列4：逃出城堡 does not.

### Which is updated more often, 越狱密室逃亡系列4：逃出城堡 or Boing! Rubber Duck?

越狱密室逃亡系列4：逃出城堡 ships an update every 4 months, and Boing! Rubber Duck fortnightly. Most recently, 越狱密室逃亡系列4：逃出城堡 was updated on November 2, 2026 and Boing! Rubber Duck on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*