# Memory Watch SK vs Cat Jump Challenge

The clearest difference is in-app purchases: Memory Watch SK at none against Cat Jump Challenge's 3. Cat Jump Challenge's advantage is update cadence (every 9 days vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Cat Jump Challenge sells 3 in-app purchases, starting at $2.99 per 7 days. Memory Watch SK asks for nothing beyond the download.

Memory Watch SK ships an update every 6 weeks, Cat Jump Challenge every 9 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Memory Watch SK | Cat Jump Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 6 MB | 176 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bapple Tech](https://appshunter.io/developer/1487666595) | [Thi Thanh Nguyen](https://appshunter.io/developer/1783345372) |

## What reviewers say

### Memory Watch SK

[App page](https://appshunter.io/ios/app/memory-watch-sk/id1625974079)

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

**In-app purchases:** none


### Cat Jump Challenge

[App page](https://appshunter.io/ios/app/cat-jump-challenge/id6743441697)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoAds_Weekly | $2.99 | per 7 days |
| NoAds_Monthly | $3.99 | per month |
| No Ads_Yearly | $9.99 | per year |


## Frequently asked questions

### Is Memory Watch SK free?

Memory Watch SK is free to download, with no in-app purchases.

### Is Cat Jump Challenge free?

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

### Do Memory Watch SK or Cat Jump Challenge have ads?

Both Memory Watch SK and Cat Jump Challenge show ads.

### Which is updated more often, Memory Watch SK or Cat Jump Challenge?

Memory Watch SK ships an update every 6 weeks, and Cat Jump Challenge every 9 days. Most recently, Memory Watch SK was updated on October 13, 2026 and Cat Jump Challenge on October 12, 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.*