Prison Tower vs Space Flea
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 Flea
Pilot a tiny space fighter against waves of enemies. Collect power-ups and shields to survive the onslaught. This fast-paced game features simple single-finger controls.
- Mite-sized space fighter gameplay
- Wave-based enemy onslaught
- Power-up collection
- Shield acquisition
- Single-finger controls
- Fast-paced action
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Take command of the Space Flea, a mite-sized space fighter. How long can you last the onslaught of tiny hostiles? Grab powerups and shield pieces to extend your stay in the land of the living. This game for iPad and iPhone features simple single-finger controls and fast-paced action.
Screenshots
Verdict
The clearest difference is review sentiment: Prison Tower at 72% against Space Flea's 33%. Prison Tower also leads on rating (4.5 vs 4.0) and update cadence (every 4 months vs every 59 months). Space Flea's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and monetization model 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
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 4.0. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews point the same way: 72% of Prison Tower's written reviews are positive against 33% of Space Flea's.
Prison Tower ships an update every 4 months, Space Flea every 59 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.
| Parameter | Prison Tower | Space Flea |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (14 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 72.2% of reviews — better | 33.3% of reviews |
| Number of ratings | 14 — better | 3 |
| Update frequency | Every 4 months — better | Every 59 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 11 MB |
| Age rating | 4+ | 9+ |
| Developer | Masakazu Yonehara | Flat Black Films |
Customer experience
Prison Tower
Space Flea
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 Flea
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Prison Tower
No in-app purchases
Space Flea
No in-app purchases
