Prison Tower vs DUAL GOAL
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?
DUAL GOAL
A unique puzzle game where you must simultaneously roll two balls into their respective goals. Tilt your device to control the balls and avoid touching the red lines to succeed. Prepare for a challenging and frustrating yet rewarding experience.
- Simultaneous two-ball rolling
- Tilt controls
- Goal-based progression
- Avoid red line hazard
- Challenging puzzles
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It’s thinking game of roll balls! Let's roll 2 balls into 2 goals! To those who want to play unusual roll ball game! - You can clear a stage, when you roll 2 balls into 2 goals at the same time. - You can roll balls by tilting your iPhone. - The ball do not touch the red line. - You will surely get frustrated.
Screenshots
Verdict
The clearest difference is ads: DUAL GOAL at none against Prison Tower's shown. DUAL GOAL also leads on update cadence (every 5 days vs every 4 months) and review sentiment (100% vs 72%). On price, in-app purchases, monetization model 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, DUAL GOAL every 5 days. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.
| Parameter | Prison Tower | DUAL GOAL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (14 ratings) — better | — |
| Positive reviews | 72.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | — |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 8.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Masakazu Yonehara | Hidehiro Nakamura |
Customer experience
Prison Tower
DUAL GOAL
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
DUAL GOAL
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Prison Tower
No in-app purchases
DUAL GOAL
No in-app purchases
