# SimCasts™ MPS Presenter vs CatXapp

The clearest difference is in-app purchases: SimCasts™ MPS Presenter at none against CatXapp's 4. SimCasts™ MPS Presenter also leads on iOS requirement (13.0 vs 17). CatXapp's advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. CatXapp sells 4 in-app purchases, starting at $7.99 per month. SimCasts™ MPS Presenter asks for nothing beyond the download.

SimCasts™ MPS Presenter ships an update every 3 months, CatXapp fortnightly. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SimCasts™ MPS Presenter | CatXapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (19 ratings)](https://appshunter.io/ios/app/catxapp-catalytic-converter/id6784522794/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 4 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Webxloo](https://appshunter.io/developer/1163761982) | [LUKAS UKELIS](https://appshunter.io/developer/6784522796) |

## What reviewers say

### SimCasts™ MPS Presenter

[App page](https://appshunter.io/ios/app/simcasts-mps-presenter/id1216187890)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatXapp

[App page](https://appshunter.io/ios/app/catxapp-catalytic-converter/id6784522794)

Instantly access live PGM-adjusted prices for catalytic converters. This app is designed for scrap yard professionals, offering a vast catalog of codes and real-time market data for accurate pricing on the go.

**Highlights:** Live PGM-adjusted prices, 20,000+ catalytic converter codes, Partial search for worn stamps, Recent searches saved, Shopping cart with totals, Private profit margin setting, Export saved carts to PDF

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CatXapp Essential Monthly | $7.99 | per month |
| CatXapp Pro Monthly | $13.99 | per month |
| CatXapp Essential Annual | $69.99 | per year |
| CatXapp Pro Annual | $119.99 | per year |


## Frequently asked questions

### Is SimCasts™ MPS Presenter free?

SimCasts™ MPS Presenter is free to download, with no in-app purchases.

### Is CatXapp free?

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

### Do SimCasts™ MPS Presenter or CatXapp have ads?

Neither SimCasts™ MPS Presenter nor CatXapp shows ads.

### Which is updated more often, SimCasts™ MPS Presenter or CatXapp?

SimCasts™ MPS Presenter ships an update every 3 months, and CatXapp fortnightly. Most recently, SimCasts™ MPS Presenter was updated on October 26, 2026 and CatXapp on October 31, 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.*