Prison Tower vs Space Hero 50
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Stack heroes vertically
- Rescue trapped princess
- Strategic tap-to-drop gameplay
- Prison Tower rescue mode
- Challenge Mode for high scores
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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?
Space Hero 50
Experience retro arcade gameplay as a space hero defending the galaxy. Utilize a laser rifle and super bomb to defeat waves of alien invaders. Relive the nostalgia of 80s color LCD handheld games.
- Nostalgic 80s LCD game feel
- Become a space hero
- Defeat 50 alien invasions
- Use laser rifle
- Deploy super bomb
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‘Space Hero 50’ is a game where you can feel the nostalgia of the color LCD handheld games of the 80s. In this game, you become a space hero, the guardian of the universe, and face 50 invasions of the Invaders. Use a powerful laser rifle and a super bomb that compresses the power of a black hole to defeat the invaders that invade one after another.
Screenshots
Verdict
The clearest difference is price: Prison Tower at Free against Space Hero 50's $2.99. Prison Tower also leads on update cadence (every 4 months vs every 12 months) and ratings volume (14 vs 1). Space Hero 50's advantage is rating (5.0 vs 4.5) and ads (none vs shown). On in-app purchases and device support 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
Prison Tower is free to download; Space Hero 50 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Space Hero 50 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Prison Tower has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 72% of Prison Tower's written reviews are positive against 100% of Space Hero 50's.
Prison Tower ships an update every 4 months, Space Hero 50 every 12 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.
| Parameter | Prison Tower | Space Hero 50 |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.5 (14 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 72.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 4 months — better | Every 12 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 48 MB |
| Age rating | 4+ | 9+ |
| Developer | Masakazu Yonehara | gon lee |
Customer experience
Prison Tower
Space Hero 50
Bugs and requests
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
Space Hero 50
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Prison Tower
No in-app purchases
Space Hero 50
No in-app purchases
