Prison Tower vs Mighty Birds
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?
Mighty Birds
Defend your eggs from invading animals in this engaging "bird" action game. Tap to aim and release to launch birds, strategically using the environment to defeat all enemies and complete each stage. Collect items to aid your defense.
- Tap to aim and launch birds
- Defeat enemies to complete stages
- Utilize in-game items
- Interact with stage objects
- New "bird" action gameplay
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Let's attack to the bad animals which aim at your egg. It can be played easily and can be enjoyed enough. New type "bird" action game! Main character of this game is a bird that are growing eggs. The bad animals in the woods which smelled out the smell of the egg there came in order to take your eggs. Attack and drive away with the bird so that an egg is not taken. [ How To Play ] 1, Let's decide the direction in which the birds fly by tapping the screen. 2, Birds will attack when you release your finger to aim at the enemy. 3, It is the stage complete If you defeat all enemies of the stage. [ About the item in this game ] mighty strike --- Many birds defeat the enemies at once. boxed birds --- You can be refilled birds. * Even if it uses up an item, it can purchase within this app. If a bird hits a wall and an obstacle, it will be turned. Let's complete the stage by using the object placed on the stage.
Screenshots
Verdict
The clearest difference is rating: Mighty Birds at 5.0 against Prison Tower's 4.5. Mighty Birds also leads on ads (none vs shown) and review sentiment (92% vs 72%). Prison Tower's advantage is in-app purchases (none vs 8) and update cadence (every 4 months vs every 22 months). On price 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. Mighty Birds sells 8 one-off in-app purchases. Prison Tower asks for nothing beyond the download.
Mighty Birds holds the better App Store score, 5.0 against 4.5. 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 92% of Mighty Birds's.
Prison Tower ships an update every 4 months, Mighty Birds every 22 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.
| Parameter | Prison Tower | Mighty Birds |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (14 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 72.4% of reviews | 92.0% of reviews — better |
| Number of ratings | 14 — better | 3 |
| Update frequency | Every 4 months — better | Every 22 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Masakazu Yonehara | marge co., ltd. |
Customer experience
Prison Tower
Mighty Birds
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
Mighty Birds
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Prison Tower
No in-app purchases
Mighty Birds
- MIghty Strike x5$0.99
- Boxed Mighty x5$0.99
- Mighty Strike x10$1.99
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- Boxed Mighty x10$1.99
- Mighty Strike x50$3.99
- Boxed Mighty x50$3.99
- Mighty Strike x100$4.99
- Boxed Mighty x100$4.99









