# Media SMS Alerts vs Catalytic Converter Database

The clearest difference is review sentiment: Media SMS Alerts at 100% against Catalytic Converter Database's 50%. Media SMS Alerts also leads on in-app purchases (none vs 2) and update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Catalytic Converter Database sells 2 in-app purchases, starting at $24.99 per month. Media SMS Alerts asks for nothing beyond the download.

Media SMS Alerts ships an update every 9 days, Catalytic Converter Database every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Media SMS Alerts | Catalytic Converter Database |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.1 (20 ratings)](https://appshunter.io/ios/app/catalytic-converter-database/id1534897941/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 24 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Skys No Limit Pty Ltd](https://appshunter.io/developer/887345998) | [CONVERTERDATABASE LLC](https://appshunter.io/developer/1534897943) |

## What reviewers say

### Media SMS Alerts

[App page](https://appshunter.io/ios/app/media-sms-alerts/id1290126988)

Get real-time, news-worthy alerts for Queensland, Victoria, and New South Wales. Stay informed with up-to-the-minute updates delivered directly to your device.

**Highlights:** Real-time news alerts, Service for Queensland, Service for Victoria, Service for New South Wales, Up-to-the-minute updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Catalytic Converter Database

[App page](https://appshunter.io/ios/app/catalytic-converter-database/id1534897941)

Access a comprehensive database of catalytic converters with real-time pricing based on XRF values. Browse by manufacturer or code, view high-quality images, and stay updated with daily additions and market rate changes.

**Highlights:** Real-time pricing updated every 15 minutes, Daily additions of new converters, Advanced search by serial number or code, Browse by manufacturer and category, Multiple high-quality product images, Smooth animated image carousels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Converter Database Monthly | $24.99 | per month |
| Converter Database Yearly | $249.99 | per year |


## Frequently asked questions

### Is Media SMS Alerts free?

Media SMS Alerts is free to download, with no in-app purchases.

### Is Catalytic Converter Database free?

Catalytic Converter Database is free to download, with in-app purchases available.

### Do Media SMS Alerts or Catalytic Converter Database have ads?

Neither Media SMS Alerts nor Catalytic Converter Database shows ads.

### Which is updated more often, Media SMS Alerts or Catalytic Converter Database?

Media SMS Alerts ships an update every 9 days, and Catalytic Converter Database every 2 months. Most recently, Media SMS Alerts was updated on October 24, 2026 and Catalytic Converter Database on October 29, 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.*