# Mason Auctions vs Tranzon Catalog

The clearest difference is update cadence: Tranzon Catalog at every 14 months against Mason Auctions's every 32 months. Tranzon Catalog also leads on 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.

Mason Auctions ships an update every 32 months, Tranzon Catalog every 14 months. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Mason Auctions | Tranzon Catalog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 14 months** |
| Size | 2 MB | 13 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Mason Auctions LLC](https://appshunter.io/developer/1573638237) | [Tranzon, L.L.C](https://appshunter.io/developer/343746433) |

## What reviewers say

### Mason Auctions

[App page](https://appshunter.io/ios/app/mason-auctions/id1573638235)

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

**In-app purchases:** none


### Tranzon Catalog

[App page](https://appshunter.io/ios/app/tranzon-catalog/id6447644366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mason Auctions free?

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

### Is Tranzon Catalog free?

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

### Do Mason Auctions or Tranzon Catalog have ads?

Neither Mason Auctions nor Tranzon Catalog shows ads.

### Which is updated more often, Mason Auctions or Tranzon Catalog?

Mason Auctions ships an update every 32 months, and Tranzon Catalog every 14 months. Most recently, Mason Auctions was updated on October 4, 2026 and Tranzon Catalog on October 16, 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.*