# Impossible Pixel vs Prison Tower

The clearest difference is monetization model: Prison Tower at free against Impossible Pixel's paid. Impossible Pixel's advantage is ads (none vs shown) and update cadence (every 10 days vs every 4 months). On price, rating, review sentiment and in-app purchases there is nothing between them.

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

Prison Tower holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Impossible Pixel has 290 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 66% of Impossible Pixel's written reviews are positive against 72% of Prison Tower's.

Impossible Pixel ships an update every 10 days, Prison Tower every 4 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Impossible Pixel | Prison Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (290 ratings)](https://appshunter.io/ios/app/impossible-pixel/id567396065/reviews) | **[4.5 (14 ratings)](https://appshunter.io/ios/app/prison-tower/id574690680/reviews)** |
| Number of ratings | **290** | 14 |
| Positive reviews | 65.6% of reviews | **72.4% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 34 MB | 13 MB |
| Requires iOS | **4.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [99 Up Games](https://appshunter.io/developer/567396068) | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) |

## What reviewers say

### Impossible Pixel

[App page](https://appshunter.io/ios/app/impossible-pixel/id567396065)

Embark on a challenging pixelated adventure to save the world from alien invaders. Navigate through diverse environments, dodge deadly traps and enemies, and master precise platforming to reach the exit.

**Highlights:** 93 levels of platforming, 5 unique worlds, 4 boss fights, Secret coins and star grades, Retro chiptunes soundtrack, Game Center achievements, Global leaderboards

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎨 Excellent pixel art and visuals
- 🎶 Fantastic chiptune soundtrack
- ⚔️ Challenging and rewarding gameplay
- 🕹️ Tight and responsive controls
- 🏆 Satisfying to complete levels and earn stars

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🤯 Extremely difficult and frustrating at times
- 🔍 Lack of checkpoint system makes deaths punishing
- 🔧 Controls can feel imprecise or unresponsive
- 📱 Not optimized for newer devices like iPhone 5

**Reported bugs**

- Jump button sometimes fails to register input
- Certain levels have coins that are impossible to obtain
- Game crashes when attempting to load certain levels

**Requested features**

- Add a level editor to create custom stages
- Implement a checkpoint system to reduce frustration
- Optimize controls and UI for larger mobile screens
- Provide an option to disable the chiptune music


### Prison Tower

[App page](https://appshunter.io/ios/app/prison-tower/id574690680)

Build a towering stack of heroes by strategically dropping them. Guide the princess to safety by climbing the tower. Experience a fresh take on classic block-stacking gameplay with engaging modes.

**Highlights:** Stack heroes vertically, Rescue trapped princess, Strategic tap-to-drop gameplay, Prison Tower rescue mode, Challenge Mode for high scores

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

**In-app purchases:** none

**What reviewers like**

- 👍 Addictive gameplay
- 🎨 Cute and attractive graphics
- 🎵 Great music and sound effects
- ⏱️ Good time killer
- 🤏 Small download size

**What reviewers complain about**

- 🥱 Gets repetitive
- 😠 Frustrating difficulty
- 📉 Poor start screen responsiveness
- 🤷‍♀️ Gameplay can be boring
- 🧱 Stacking issues

**Reported bugs**

- Game over at level 92 in challenge mode
- Start screen unresponsive
- Crashes frequently
- Fairies carrying people instead of princess
- People not stacking properly

**Requested features**

- New OS compatibility
- Improved start screen responsiveness
- More variety in gameplay
- Fix fairies carrying people instead of princess
- Fix fairies carrying people instead of princess


## Frequently asked questions

### Is Impossible Pixel free?

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

### Is Prison Tower free?

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

### Which has better reviews, Impossible Pixel or Prison Tower?

Prison Tower is rated higher. Impossible Pixel averages 4.3 out of 5 from 290 ratings, while Prison Tower averages 4.5 from 14 ratings.

### Do Impossible Pixel or Prison Tower have ads?

Prison Tower shows ads; Impossible Pixel does not.

### Which is updated more often, Impossible Pixel or Prison Tower?

Impossible Pixel ships an update every 10 days, and Prison Tower every 4 months. Most recently, Impossible Pixel was updated on November 1, 2026 and Prison Tower on November 4, 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.*