# Katch vs Whimsy APP

The clearest difference is update cadence: Whimsy APP at every 5 days against Katch's every 3 weeks. Katch's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

Katch ships an update every 3 weeks, Whimsy APP every 5 days. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Katch | Whimsy APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 152 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Katch (HK) Limited](https://appshunter.io/developer/1438385381) | [The Wonderful World of Whimsy](https://appshunter.io/developer/1740453431) |

## What reviewers say

### Katch

[App page](https://appshunter.io/ios/app/katch/id1438385382)

**Features:** macOS Compatibility

**In-app purchases:** none


### Whimsy APP

[App page](https://appshunter.io/ios/app/whimsy-app/id6761250430)

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

**In-app purchases:** none


## Frequently asked questions

### Is Katch free?

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

### Is Whimsy APP free?

Whimsy APP is free to download, with no in-app purchases.

### Do Katch or Whimsy APP have ads?

Neither Katch nor Whimsy APP shows ads.

### Which is updated more often, Katch or Whimsy APP?

Katch ships an update every 3 weeks, and Whimsy APP every 5 days. Most recently, Katch was updated on September 17, 2026 and Whimsy APP on September 19, 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.*