# Efso Koç vs Bire Bir Koç

The clearest difference is device support: Bire Bir Koç at 3 against Efso Koç's —. Efso Koç's advantage is iOS requirement (13.4 vs 15.1). On price 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.

## The numbers

| Metric | Efso Koç | Bire Bir Koç |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 110 MB | 52 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Berk Eylen](https://appshunter.io/developer/1456517538) | [Elif Guneri](https://appshunter.io/developer/6801550907) |

## What reviewers say

### Efso Koç

[App page](https://appshunter.io/ios/app/efso-koc/id6553996473)

**In-app purchases:** none


### Bire Bir Koç

[App page](https://appshunter.io/ios/app/bire-bir-koc/id6801550905)

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

**In-app purchases:** none


## Frequently asked questions

### Is Efso Koç free?

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

### Is Bire Bir Koç free?

Bire Bir Koç is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*