Prison Tower vs 寿司守
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?
寿司守
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20XX年 世界は空前絶後の寿司ブームに沸いていた 人類は海の魚たちを乱獲し 魚たちはどんどん数を減らしていった このままでは絶滅してしまう 憂いた魚の神は立ち上がる 愛しき我が子たちの平和を勝ち取るために ◆操作 スワイプで魚神を移動&神力発射 ターゲットによって様々な効果が発動するよ 助けた魚の情報を図鑑で確認しよう
Screenshots
Verdict
The clearest difference is update cadence: Prison Tower at every 4 months against 寿司守's every 29 months. 寿司守's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Prison Tower ships an update every 4 months, 寿司守 every 29 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Prison Tower | 寿司守 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (14 ratings) — better | — |
| Positive reviews | 72.4% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 4 months — better | Every 29 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | Masakazu Yonehara | ERS CO.,LTD. |
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
寿司守
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Prison Tower
No in-app purchases
寿司守
No in-app purchases
