# Perimeter Zero vs Cryptid Defense

The clearest difference is ads: Cryptid Defense at none against Perimeter Zero's shown. Perimeter Zero's advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Perimeter Zero sells 1 one-off in-app purchase and Cryptid Defense sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Perimeter Zero ships an update every 2 days, Cryptid Defense weekly. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Perimeter Zero | Cryptid Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptid-defense-tower-td/id6790016873/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 385 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Hyacinthe Loua](https://appshunter.io/developer/6777148473) | [Andrew Tanaka](https://appshunter.io/developer/6790016875) |

## What reviewers say

### 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 |


### Cryptid Defense

[App page](https://appshunter.io/ios/app/cryptid-defense-tower-td/id6790016873)

Defend the wilds as legendary creatures against invading settlers and trappers. Strategically choose your cryptids and their upgrades to overcome 19 illustrated battlegrounds across three distinct worlds. Unlock new legends and experience a story carried by fully voiced cutscenes.

**Highlights:** 19 illustrated battlegrounds, 20 unique cryptids with upgrades, Strategic cryptid selection, Unlock cryptids by winning levels, 24 fully voiced cutscenes, Three distinct worlds with unique challenges

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Relics | $0.99 | one-time |
| Pouch of Relics | $1.99 | one-time |
| Hoard of Relics | $4.99 | one-time |


## Frequently asked questions

### Is Perimeter Zero free?

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

### Is Cryptid Defense free?

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

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

Perimeter Zero shows ads; Cryptid Defense does not.

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

Perimeter Zero ships an update every 2 days, and Cryptid Defense weekly. Most recently, Perimeter Zero was updated on October 15, 2026 and Cryptid Defense on September 30, 2026.

---

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