# Opera Build vs Knauf.kz

The clearest difference is device support: Knauf.kz at 2 against Opera Build's —. On price, in-app purchases and iOS requirement 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 | Opera Build | Knauf.kz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Size | 19 MB | 117 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [BI Innovation](https://appshunter.io/developer/1303499261) | [aibolat kulatay](https://appshunter.io/developer/1393985588) |

## What reviewers say

### Opera Build

[App page](https://appshunter.io/ios/app/opera-build/id6450893603)

**In-app purchases:** none


### Knauf.kz

[App page](https://appshunter.io/ios/app/knaufkz/id6745773160)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opera Build free?

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

### Is Knauf.kz free?

Knauf.kz 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.*