# BioDerma Knowledge Buzzer vs Olymp Magic Slots

The clearest difference is iOS requirement: BioDerma Knowledge Buzzer at 11.0 against Olymp Magic Slots's 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.

## The numbers

| Metric | BioDerma Knowledge Buzzer | Olymp Magic Slots |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 202 MB | 42 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Pixelhunters](https://appshunter.io/developer/1005011629) | [Олимп БК](https://appshunter.io/developer/1154013161) |

## What reviewers say

### BioDerma Knowledge Buzzer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Olymp Magic Slots

[App page](https://appshunter.io/ios/app/olymp-magic-slots/id6748821432)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BioDerma Knowledge Buzzer free?

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

### Is Olymp Magic Slots free?

Olymp Magic Slots is free to download, with no in-app purchases.

### Do BioDerma Knowledge Buzzer or Olymp Magic Slots have ads?

Neither BioDerma Knowledge Buzzer nor Olymp Magic Slots shows ads.

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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.*