# SIM World vs Winnie's Cat Diary

The clearest difference is ads: SIM World at none against Winnie's Cat Diary's shown. Winnie's Cat Diary's advantage is update cadence (fortnightly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIM World ships an update every 4 months, Winnie's Cat Diary fortnightly. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SIM World | Winnie's Cat Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 37 MB | 59 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hutchison Telephone Company Limited](https://appshunter.io/developer/292047326) | [Yunus Can Turhan](https://appshunter.io/developer/1863970863) |

## What reviewers say

### SIM World

[App page](https://appshunter.io/ios/app/sim-world/id1599685806)

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

**In-app purchases:** none


### Winnie's Cat Diary

[App page](https://appshunter.io/ios/app/winnies-cat-diary/id6782991049)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIM World free?

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

### Is Winnie's Cat Diary free?

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

### Do SIM World or Winnie's Cat Diary have ads?

Winnie's Cat Diary shows ads; SIM World does not.

### Which is updated more often, SIM World or Winnie's Cat Diary?

SIM World ships an update every 4 months, and Winnie's Cat Diary fortnightly. Most recently, SIM World was updated on October 17, 2026 and Winnie's Cat Diary on October 6, 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.*