# NBK vs Khai phóng

The clearest difference is device support: Khai phóng at 3 against NBK's —. NBK's advantage is iOS requirement (13.4 vs 15.5). 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 | NBK | Khai phóng |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Size | 42 MB | 63 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Khanh Duy Nguyen](https://appshunter.io/developer/1643862590) | [F-LINK VIET NAM TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1446671082) |

## What reviewers say

### NBK

[App page](https://appshunter.io/ios/app/nbk/id6461728132)

**In-app purchases:** none


### Khai phóng

[App page](https://appshunter.io/ios/app/khai-phong/id6502045780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NBK free?

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

### Is Khai phóng free?

Khai phóng 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.*