# Prison Digger vs Island Defender!

The clearest difference is update cadence: Prison Digger at every 2 days against Island Defender!'s every 2 weeks. 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, Island Defender! every 2 weeks. The most recent releases landed on June 7, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Prison Digger | Island Defender! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/island-defender/id6450804253/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 172 MB | 190 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [FLUSH GAMES OYUN YAZILIM VE BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1680859573) | [Ugur Gulser](https://appshunter.io/developer/1463334797) |

## What reviewers say

### Prison Digger

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Island Defender!

[App page](https://appshunter.io/ios/app/island-defender/id6450804253)

Lead your community, manage resources, and defend your island from enemies. Explore new areas, save civilians, and upgrade your character to conquer new islands. Engage in combat against bosses and expand your territory.

**Highlights:** Resource management, Island defense, Enemy combat, Boss battles, Character upgrades, Community building

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prison Digger free?

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

### Is Island Defender! free?

Island Defender! is free to download, with no in-app purchases.

### Do Prison Digger or Island Defender! have ads?

Both Prison Digger and Island Defender! show ads.

### Which is updated more often, Prison Digger or Island Defender!?

Prison Digger ships an update every 2 days, and Island Defender! every 2 weeks. Most recently, Prison Digger was updated on June 7, 2026 and Island Defender! on June 4, 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.*