# Royale Defense vs Perimeter Zero

The clearest difference is update cadence: Perimeter Zero at every 2 days against Royale Defense's every 5 days. Royale Defense's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Royale Defense sells 10 one-off in-app purchases and Perimeter Zero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Royale Defense ships an update every 5 days, Perimeter Zero every 2 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Royale Defense | Perimeter Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/royale-defense/id6737103022/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 251 MB | 11 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [ORCAT PTE. LTD.](https://appshunter.io/developer/1781614333) | [Hyacinthe Loua](https://appshunter.io/developer/6777148473) |

## What reviewers say

### Royale Defense

[App page](https://appshunter.io/ios/app/royale-defense/id6737103022)

Lead your army against waves of enemies in this strategy game. Unlock and combine diverse warriors with unique abilities and powerful skills to achieve victory. Explore engaging gameplay and enhance your team with special gem abilities.

**Highlights:** Unlockable warriors with unique abilities, Strategic team composition, Diverse skill selection, Gem-based team enhancements, Engaging enemy waves

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A few Reward Tickets | $0.99 | one-time |
| Starter Giftpack | $3.99 | one-time |
| Lots of Reward Tickets | $4.99 | one-time |
| Privilege Giftpack | $9.99 | one-time |
| Advanced Battle Pass | $9.99 | one-time |
| Huge amount of Reward Tickets | $9.99 | one-time |
| No Ad Monthly Giftpack | $19.99 | one-time |
| Loot Giftpack | $19.99 | one-time |
| Super Monthly Giftpack | $19.99 | one-time |
| Premium Battle Pass | $19.99 | one-time |


### Perimeter Zero

[App page](https://appshunter.io/ios/app/perimeter-zero/id6786819667)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PerimeterZero Premium | $2.99 | one-time |


## Frequently asked questions

### Is Royale Defense free?

Royale Defense is free to download, with in-app purchases available.

### Is Perimeter Zero free?

Perimeter Zero is free to download, with in-app purchases available.

### Do Royale Defense or Perimeter Zero have ads?

Both Royale Defense and Perimeter Zero show ads.

### Which is updated more often, Royale Defense or Perimeter Zero?

Royale Defense ships an update every 5 days, and Perimeter Zero every 2 days. Most recently, Royale Defense was updated on September 25, 2026 and Perimeter Zero on September 29, 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.*