# Cat's Nerd vs Obby Espace

The clearest difference is ads: Cat's Nerd at none against Obby Espace's shown. Cat's Nerd also leads on iOS requirement (11.0 vs 14.0). Obby Espace's advantage is update cadence (every 6 days vs every 22 months). On price, 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.

Cat's Nerd ships an update every 22 months, Obby Espace every 6 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | Cat's Nerd | Obby Espace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cats-nerd/id1530675174/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 32 MB | 324 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Maryna Kostenko](https://appshunter.io/developer/1530675176) | [Ilyas Bakour](https://appshunter.io/developer/1848030434) |

## What reviewers say

### Cat's Nerd

[App page](https://appshunter.io/ios/app/cats-nerd/id1530675174)

Test your knowledge of feline friends by guessing the gender of hundreds of cute cats and kittens. Earn the title of cat expert and share your achievements with friends.

**Highlights:** Guess cat genders, Hundreds of cat images, Become a cat expert, Share results with friends, Cute and fluffy cats

**Features:** macOS Compatibility

**In-app purchases:** none


### Obby Espace

[App page](https://appshunter.io/ios/app/obby-espace/id6754356178)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat's Nerd free?

Cat's Nerd is free to download, with no in-app purchases.

### Is Obby Espace free?

Obby Espace is free to download, with no in-app purchases.

### Do Cat's Nerd or Obby Espace have ads?

Obby Espace shows ads; Cat's Nerd does not.

### Which is updated more often, Cat's Nerd or Obby Espace?

Cat's Nerd ships an update every 22 months, and Obby Espace every 6 days. Most recently, Cat's Nerd was updated on October 4, 2026 and Obby Espace on October 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.*