# Білу Керек! vs 23 Devs Library

The clearest difference is device support: 23 Devs Library at 3 against Білу Керек!'s 1. 23 Devs Library also leads on iOS requirement (12.0 vs 18.6). On price, 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.

## The numbers

| Metric | Білу Керек! | 23 Devs Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 6 MB | 29 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [zhandos uakanov](https://appshunter.io/developer/625286817) | [NINA SAVELJEVA](https://appshunter.io/developer/962670684) |

## What reviewers say

### Білу Керек!

[App page](https://appshunter.io/ios/app/id1580336997)

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

**In-app purchases:** none


### 23 Devs Library

[App page](https://appshunter.io/ios/app/23-devs-library/id6472991915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Білу Керек! free?

Білу Керек! is free to download, with no in-app purchases.

### Is 23 Devs Library free?

23 Devs Library is free to download, with no in-app purchases.

### Do Білу Керек! or 23 Devs Library have ads?

Neither Білу Керек! nor 23 Devs Library 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.*