# NBK Rubik vs Myna

The clearest difference is update cadence: Myna at fortnightly against NBK Rubik's every 6 weeks. NBK Rubik's advantage is iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NBK Rubik ships an update every 6 weeks, Myna fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NBK Rubik | Myna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 54 MB | 41 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khanh Duy Nguyen](https://appshunter.io/developer/1643862590) | [Son Dong Van](https://appshunter.io/developer/1475928941) |

## What reviewers say

### NBK Rubik

[App page](https://appshunter.io/ios/app/nbk-rubik/id6740424251)

**Features:** macOS Compatibility

**In-app purchases:** none


### Myna

[App page](https://appshunter.io/ios/app/myna/id6792807316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NBK Rubik free?

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

### Is Myna free?

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

### Do NBK Rubik or Myna have ads?

Neither NBK Rubik nor Myna shows ads.

### Which is updated more often, NBK Rubik or Myna?

NBK Rubik ships an update every 6 weeks, and Myna fortnightly. Most recently, NBK Rubik was updated on November 8, 2026 and Myna on October 31, 2026.

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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.*