# Prison Digger vs Merge Stack

The clearest difference is update cadence: Prison Digger at every 2 days against Merge Stack's every 2 months. Prison Digger also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prison Digger ships an update every 2 days, Merge Stack every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Prison Digger | Merge Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/prison-digger/id6448067238/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 172 MB | 238 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLUSH GAMES OYUN YAZILIM VE BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1680859573) | [Kite Games](https://appshunter.io/developer/1878111512) |

## What reviewers say

### Prison Digger

[App page](https://appshunter.io/ios/app/prison-digger/id6448067238)

Escape a prison by breaking through walls with a held-down screen. Combine items to grow stronger and avoid guards. Strategize your moves to overcome obstacles and fight for freedom in this suspenseful game.

**Highlights:** Hold screen to break walls, Merge and combine items, Avoid guards, Strategize moves, Fight for freedom

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Stack

[App page](https://appshunter.io/ios/app/merge-stack-color-block/id6788709551)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prison Digger free?

Prison Digger is free to download, with no in-app purchases.

### Is Merge Stack free?

Merge Stack is free to download, with no in-app purchases.

### Do Prison Digger or Merge Stack have ads?

Both Prison Digger and Merge Stack show ads.

### Which is updated more often, Prison Digger or Merge Stack?

Prison Digger ships an update every 2 days, and Merge Stack every 2 months. Most recently, Prison Digger was updated on October 27, 2026 and Merge Stack on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*