Comparison

Impossible Pixel vs Prison Tower

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Impossible Pixel

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
Read full description

Reached the #2 Most Donwloaded App in the US App Store in February 2013 ! Reached #1 Most Downloaded App in 9 Countries ! Reached #2 in 30 Countries ! Reached Top 10 in 53 Countries ! ★★★★★★★★ !! BEWARE OF ITS DIFFICULTY !! WILL YOU BE STRONG ENOUGH ? From the bottom of the pixel earth to the high skies, dodge traps, avoid pixel monsters and go save the world ! REVIEWS **** Selected by AppGratis as the app of the day in February 2013 ! Featured as the App Of The Day on Gametrailers ! Today's top app ! - AppAdvice.com App of the Day - ArcadeSushi.com App of the Day - Pocketgamers.co.uk App of the Day - iPhonesoft Selected as one of the apps of the day ! - MacMagazine.com.br "Impossible Pixel : Super Meat Boy on iPhone [...] with beautiful pixel graphics and a superb 8-bit soundtrack" - Blogosquare "If you enjoyed the spot-on platforming of Super Meat Boy and League of Evil 2, there’s a lot to like about this tricky adventure" - Gametrailers.com "4 out of 5. Everything combines to keep you playing death after death, trying your hardest to overcome the next challenge." - AppSpy.com "8.5/10. Impossible Pixel is one of those apps that will stay installed on our iDevices for a very long time. Greatly recommended. " - Vandal.net "Rock-solid pixelart platformer" - PocketGamers.co.uk "Impossible Pixel is an amazing arcade game that will keep you playing" - iPhoneCaptain.com "Impossible Pixel is gorgeous" - SlideToPlay.com "It's fun because it's brutal hard :D" - TouchGameplay IMPOSSIBLE PIXEL AND THE FATE OF DESTINY **** The Pixel world is attacked by aliens ! Pixel Man looks up in the sky. Giant spaceships descend upon his earth and beam away all the pixel people. Forced into chaos he runs away, trying to save his world. His story will decide… The Fate of Destiny ! In Impossible Pixel, you guide Pixel Man on a thrilling adventure through pixel cities, dark undergrounds, hostile jungles and destroyed spaceships, going fast, as fast as you can, avoiding scary enemies and dodging deadly obstacles ! FEATURES: - 93 levels of pure platform - 5 unique worlds - 4 cool boss fights - 89 secret coins to find - 93 star grades to get - SAWS, PITS, ROTORS, SPIKES, SKULL MINES, PIXEL ZOMBIES, and GHOSTS are after you ! - Run, jump and avoid obstacles as fast as you can ! - A SICK RETRO CHIPTUNES soundtrack - 28 Game Center ACHIEVEMENTS - Global chapters HIGHSCORE leaderboards - Hours and Hours of fun gameplay ! ● Please contact us via Facebook, Twitter or contact@impossiblepixel.com before putting up bad reviews if you encounter any technical difficulties with the game. In any case, all your scores, grades and coins will always be saved inside the game, unless you delete it manually. ● How to play: Run and jump towards the exit. Follow us on Facebook : www.facebook.com/ImpossiblePixel Follow us on Twitter : @ImpossiblePixel

About

Prison Tower

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
Read full description

Stack ‘em up and clamber on up! Build a stack of heroes and help the princess climb to safety! An exciting new twist on block stacking games! === How to play === (1) Rules - Fairy spirits will carry in new heroes. - Tap the screen to drop a hero down. - Drop the heroes to form a stack – make sure it doesn’t topple! (2) Game Modes - Prison Tower: Rescue the trapped princess from the depths of the prison tower. - Challenge Mode: See how many heroes you can stack up. How high can you go?

Screenshots

Impossible Pixel4 screens
Prison Tower4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Impossible Pixel versus Prison Tower: the parameters behind the verdict, then further details
ParameterImpossible PixelPrison Tower
PriceFreeFree
Rating4.3 (290 ratings)4.5 (14 ratings) — better
Positive reviews65.6% of reviews72.4% of reviews — better
Number of ratings290 — better14
Update frequencyEvery 10 days — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS4.3 — better15.0
Further details — not scored
Size34 MB13 MB
Age rating9+4+
Developer99 Up GamesMasakazu Yonehara

Customer experience

Impossible Pixel

All ratings290 ratings
Positive82.1%
Neutral6.6%
Negative11.4%
Written reviews535 reviews
Positive65.6%
Neutral11.2%
Negative23.2%

Prison Tower

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews98 reviews
Positive72.4%
Neutral17.3%
Negative10.2%

User reviews

Impossible Pixel

From 290 App Store ratings

What we love

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

Room to improve

  • 🐛 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

Prison Tower

From 14 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Impossible Pixel

Reported bugs

3 issues
  • 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

4 requests
  • 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

Reported bugs

5 issues
  • 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

5 requests
  • 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

In-app purchases

None

Impossible Pixel

No in-app purchases

None

Prison Tower

No in-app purchases

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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