# Cattern vs Oops! Zombies!

The clearest difference is ads: Oops! Zombies! at none against Cattern's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Cattern sells 1 one-off in-app purchase and Oops! Zombies! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cattern | Oops! Zombies! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Daily | Daily |
| Size | 98 MB | 1015 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [CHIH YU LIN](https://appshunter.io/developer/1813800228) | [怀希 黄](https://appshunter.io/developer/1781854755) |

## What reviewers say

### Cattern

[App page](https://appshunter.io/ios/app/cattern-cat-puzzle-game/id6794177592)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### Oops! Zombies!

[App page](https://appshunter.io/ios/app/oops-zombies/id6815519836)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crazy Deal 08 | $5.99 | one-time |
| Crazy Deal 06 | $5.99 | one-time |
| Crazy Deal 07 | $5.99 | one-time |
| Crazy Deal 09 | $5.99 | one-time |
| Crazy Deal 10 | $5.99 | one-time |
| Crazy Deal 12 | $5.99 | one-time |
| Crazy Deal 11 | $5.99 | one-time |
| Crazy Deal 13 | $5.99 | one-time |
| Crazy Deal 14 | $5.99 | one-time |
| Crazy Deal 15 | $5.99 | one-time |


## Frequently asked questions

### Is Cattern free?

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

### Is Oops! Zombies! free?

Oops! Zombies! is free to download, with in-app purchases available.

### Do Cattern or Oops! Zombies! have ads?

Cattern shows ads; Oops! Zombies! does not.

### Which is updated more often, Cattern or Oops! Zombies!?

Cattern ships an update daily, and Oops! Zombies! daily. Most recently, Cattern was updated on October 24, 2026 and Oops! Zombies! on October 24, 2026.

---

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