# protekt vs ZvgVision Compulsory Auctions

The clearest difference is iOS requirement: ZvgVision Compulsory Auctions at 13.0 against protekt's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | protekt | ZvgVision Compulsory Auctions |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | Every 11 months |
| Size | 29 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leipziger Messe GmbH](https://appshunter.io/developer/871119159) | [Rudolf Dr. Jagdhuber](https://appshunter.io/developer/1735948257) |

## What reviewers say

### protekt

[App page](https://appshunter.io/ios/app/protekt/id6443392411)

**Features:** Vision Pro support

**In-app purchases:** none


### ZvgVision Compulsory Auctions

[App page](https://appshunter.io/ios/app/zvgvision-compulsory-auctions/id6737225245)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is protekt free?

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

### Is ZvgVision Compulsory Auctions free?

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

### Do protekt or ZvgVision Compulsory Auctions have ads?

Neither protekt nor ZvgVision Compulsory Auctions shows ads.

### Which is updated more often, protekt or ZvgVision Compulsory Auctions?

protekt ships an update every 11 months, and ZvgVision Compulsory Auctions every 11 months. Most recently, protekt was updated on October 30, 2026 and ZvgVision Compulsory Auctions on October 27, 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.*