# CTR Aftermarket vs Auction Key

The clearest difference is iOS requirement: CTR Aftermarket at 13.0 against Auction Key's 15.6. 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.

## The numbers

| Metric | CTR Aftermarket | Auction Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 5 MB | 28 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Central Corporation](https://appshunter.io/developer/1505663117) | [Mouamle Al-Hachami](https://appshunter.io/developer/1832338760) |

## What reviewers say

### CTR Aftermarket

[App page](https://appshunter.io/ios/app/ctr-aftermarket/id1546586441)

**In-app purchases:** none


### Auction Key

[App page](https://appshunter.io/ios/app/auction-key/id6749831089)

**In-app purchases:** none


## Frequently asked questions

### Is CTR Aftermarket free?

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

### Is Auction Key free?

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

### Do CTR Aftermarket or Auction Key have ads?

Neither CTR Aftermarket nor Auction Key shows ads.

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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.*