# Decisec vs 10 Sec Challenge

The clearest difference is ads: Decisec at none against 10 Sec Challenge's shown. 10 Sec Challenge's advantage is iOS requirement (12.0 vs 16.4). 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 | Decisec | 10 Sec Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 2 MB | 33 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Katsuki Ono](https://appshunter.io/developer/1695675910) | [Yudai Nishikawa](https://appshunter.io/developer/1745960087) |

## What reviewers say

### Decisec

[App page](https://appshunter.io/ios/app/decisec/id6475216742)

**Features:** macOS Compatibility

**In-app purchases:** none


### 10 Sec Challenge

[App page](https://appshunter.io/ios/app/10-sec-challenge-surprisetimer/id6743366168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decisec free?

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

### Is 10 Sec Challenge free?

10 Sec Challenge is free to download, with no in-app purchases.

### Do Decisec or 10 Sec Challenge have ads?

10 Sec Challenge shows ads; Decisec 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.*