# bylab vs duz Official

The clearest difference is iOS requirement: duz Official at 14.0 against bylab's 16.0. 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 | bylab | duz Official |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 79 MB | 71 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [(주)에이앤바이오](https://appshunter.io/developer/1597059447) | [iM Inc.](https://appshunter.io/developer/1896741652) |

## What reviewers say

### bylab

[App page](https://appshunter.io/ios/app/bylab/id1617727655)

**Features:** Vision Pro support

**In-app purchases:** none


### duz Official

[App page](https://appshunter.io/ios/app/duz-official/id6770422838)

**In-app purchases:** none


## Frequently asked questions

### Is bylab free?

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

### Is duz Official free?

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

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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.*