# ArkAttack vs Idle Planet Defender

The clearest difference is price: Idle Planet Defender at Free against ArkAttack's $0.99. Idle Planet Defender also leads on update cadence (every 3 days vs every 20 months). ArkAttack's advantage is in-app purchases (none vs 13) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Idle Planet Defender is free to download; ArkAttack costs $0.99 up front. Idle Planet Defender sells 13 one-off in-app purchases. ArkAttack asks for nothing beyond the download.

ArkAttack ships an update every 20 months, Idle Planet Defender every 3 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ArkAttack | Idle Planet Defender |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 3 days** |
| Size | 4 MB | 617 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Mert Burak Dervisoglu](https://appshunter.io/developer/6811181146) |

## What reviewers say

### ArkAttack

[App page](https://appshunter.io/ios/app/arkattack/id1668434525)

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

**In-app purchases:** none


### Idle Planet Defender

[App page](https://appshunter.io/ios/app/idle-planet-defender-space-td/id6811181144)

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Research Surge I | $1.09 | one-time |
| Starter Pack | $1.09 | one-time |
| MINING PRIVILEGE | $2.09 | one-time |
| Bronze Supply Drop | $2.09 | one-time |
| Research Surge II | $4.19 | one-time |
| Silver Supply Drop | $4.19 | one-time |
| Research Surge III | $10.49 | one-time |
| Gold Supply Drop | $10.49 | one-time |
| Threat Tier 6 Royal Pass | $16.99 | one-time |
| Threat Tier 7 Royal Pass | $21.99 | one-time |
| Threat Tier 8 Royal Pass | $21.99 | one-time |
| Research Surge IV | $26.49 | one-time |
| Void Supply Drop | $26.49 | one-time |


## Frequently asked questions

### Is ArkAttack free?

ArkAttack costs $0.99, with no in-app purchases.

### Is Idle Planet Defender free?

Idle Planet Defender is free to download, with in-app purchases available.

### Do ArkAttack or Idle Planet Defender have ads?

Idle Planet Defender shows ads; ArkAttack does not.

### Which is updated more often, ArkAttack or Idle Planet Defender?

ArkAttack ships an update every 20 months, and Idle Planet Defender every 3 days. Most recently, ArkAttack was updated on October 7, 2026 and Idle Planet Defender on October 24, 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.*