# CAT vs SimWallet

The clearest difference is update cadence: SimWallet at every 5 weeks against CAT's every 39 months. CAT's advantage is iOS requirement (11.0 vs 15.1). 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.

CAT ships an update every 39 months, SimWallet every 5 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CAT | SimWallet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 5 weeks** |
| Size | 22 MB | 79 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C.A.T. Control Systems B.V.](https://appshunter.io/developer/490071267) | [Odido Netherlands B.V.](https://appshunter.io/developer/467376975) |

## What reviewers say

### CAT

[App page](https://appshunter.io/ios/app/cat-energy/id1081303646)

**Features:** macOS Compatibility

**In-app purchases:** none


### SimWallet

[App page](https://appshunter.io/ios/app/simwallet/id6742021703)

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

**In-app purchases:** none


## Frequently asked questions

### Is CAT free?

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

### Is SimWallet free?

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

### Do CAT or SimWallet have ads?

Neither CAT nor SimWallet shows ads.

### Which is updated more often, CAT or SimWallet?

CAT ships an update every 39 months, and SimWallet every 5 weeks. Most recently, CAT was updated on October 14, 2026 and SimWallet on October 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.*