# Royal Chess vs BioDerma Knowledge Buzzer

The clearest difference is ads: BioDerma Knowledge Buzzer at none against Royal Chess's shown. BioDerma Knowledge Buzzer also leads on iOS requirement (11.0 vs 13.0). On price, 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.

## The numbers

| Metric | Royal Chess | BioDerma Knowledge Buzzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (67 ratings)](https://appshunter.io/ios/app/royal-chess-3d-chess-game/id1571848610/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Monetization | Ad-supported | — |
| Size | 102 MB | 202 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Meera Patel](https://appshunter.io/developer/1571848612) | [Pixelhunters](https://appshunter.io/developer/1005011629) |

## What reviewers say

### Royal Chess

[App page](https://appshunter.io/ios/app/royal-chess-3d-chess-game/id1571848610)

Experience classic chess with stunning 3D graphics and immersive gameplay. Challenge friends or AI opponents in this strategic board game designed to sharpen your tactics and memory.

**Highlights:** Immersive 3D graphics, Play against AI, Challenge friends, Relaxing music, Develops tactics and strategy, Visual memory training

**Features:** macOS Compatibility

**In-app purchases:** none


### BioDerma Knowledge Buzzer

[App page](https://appshunter.io/ios/app/bioderma-knowledge-buzzer/id1607294502)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Royal Chess free?

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

### Is BioDerma Knowledge Buzzer free?

BioDerma Knowledge Buzzer is free to download, with no in-app purchases.

### Do Royal Chess or BioDerma Knowledge Buzzer have ads?

Royal Chess shows ads; BioDerma Knowledge Buzzer does not.

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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.*