# DUO vs 5 Second Rule Battle

The clearest difference is in-app purchases: DUO at none against 5 Second Rule Battle's 1. DUO also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price and ads there is nothing between them.

Both are free to download. 5 Second Rule Battle sells 1 in-app purchase, starting at $4.99 per 7 days. DUO asks for nothing beyond the download.

## The numbers

| Metric | DUO | 5 Second Rule Battle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 39 MB | 3 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Christophe Boshra](https://appshunter.io/developer/1821313509) | [Stanislau Lipavetski](https://appshunter.io/developer/1788768479) |

## What reviewers say

### DUO

[App page](https://appshunter.io/ios/app/duo-alibi/id6759976010)

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

**In-app purchases:** none


### 5 Second Rule Battle

[App page](https://appshunter.io/ios/app/5-second-rule-battle-rooni/id6761014227)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Premium | $4.99 | per 7 days |


## Frequently asked questions

### Is DUO free?

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

### Is 5 Second Rule Battle free?

5 Second Rule Battle is free to download, with in-app purchases available.

### Do DUO or 5 Second Rule Battle have ads?

Neither DUO nor 5 Second Rule Battle 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.*