# Cat vs Keep R

The clearest difference is update cadence: Keep R at every 2 weeks against Cat's every 5 months. Cat's advantage is iOS requirement (6.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cat sells 1 one-off in-app purchase and Keep R sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Cat ships an update every 5 months, Keep R every 2 weeks. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Cat | Keep R |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 140 MB | 256 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ArgeWorld](https://appshunter.io/developer/404448295) | [boyoung kim](https://appshunter.io/developer/1837090334) |

## What reviewers say

### Cat

[App page](https://appshunter.io/ios/app/cat-tower/id1031449474)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Keep R

[App page](https://appshunter.io/ios/app/keep-r-60s-survival/id6758564645)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Golden Egg | $0.99 | one-time |


## Frequently asked questions

### Is Cat free?

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

### Is Keep R free?

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

### Do Cat or Keep R have ads?

Neither Cat nor Keep R shows ads.

### Which is updated more often, Cat or Keep R?

Cat ships an update every 5 months, and Keep R every 2 weeks. Most recently, Cat was updated on November 11, 2026 and Keep R on November 9, 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.*