# Prison Challenge Monster vs Jelly Tower

The clearest difference is update cadence: Jelly Tower at every 10 days against Prison Challenge Monster's every 3 months. Prison Challenge Monster's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prison Challenge Monster ships an update every 3 months, Jelly Tower every 10 days. The most recent releases landed on September 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Prison Challenge Monster | Jelly Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (12 ratings)](https://appshunter.io/ios/app/jelly-tower-bouncy-stack/id6747795646/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 448 MB | 330 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [KTC JOINT STOCK COMPANY](https://appshunter.io/developer/1648236946) | [Hoai Hoang](https://appshunter.io/developer/1585598732) |

## What reviewers say

### Prison Challenge Monster

[App page](https://appshunter.io/ios/app/prison-challenge-monster/id6746178032)

Embark on a thrilling parkour adventure to escape a high-security prison. Navigate complex mazes, dodge guards, and overcome dynamic traps in this immersive escape room experience.

**Highlights:** Intense parkour action, Engaging storyline, Stunning graphics, Dynamic environments, Maze navigation, Guard evasion

**Features:** macOS Compatibility

**In-app purchases:** none


### Jelly Tower

[App page](https://appshunter.io/ios/app/jelly-tower-bouncy-stack/id6747795646)

Embark on a thrilling climb through a vibrant jelly world. Jump from platform to platform, utilizing bouncy physics and overcoming obstacles. Save your progress at checkpoints as you ascend through themed stages in this relaxing adventure.

**Highlights:** Relaxing obstacle jumping, Bouncy physics gameplay, Themed stages, Checkpoint saving, Haptic feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is Prison Challenge Monster free?

Prison Challenge Monster is free to download, with no in-app purchases.

### Is Jelly Tower free?

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

### Do Prison Challenge Monster or Jelly Tower have ads?

Both Prison Challenge Monster and Jelly Tower show ads.

### Which is updated more often, Prison Challenge Monster or Jelly Tower?

Prison Challenge Monster ships an update every 3 months, and Jelly Tower every 10 days. Most recently, Prison Challenge Monster was updated on September 12, 2026 and Jelly Tower on September 25, 2026.

---

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