# 러너러너 vs ooobook

The clearest difference is update cadence: ooobook at daily against 러너러너's fortnightly. 러너러너's advantage is iOS requirement (13.4 vs 15.1). 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.

러너러너 ships an update fortnightly, ooobook daily. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 러너러너 | ooobook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6469495456/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 30 MB | 41 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [주식회사 러너소프트](https://appshunter.io/developer/1712076841) | [Byungwook Youn](https://appshunter.io/developer/1895686340) |

## What reviewers say

### 러너러너

[App page](https://appshunter.io/ios/app/id6469495456)

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

**In-app purchases:** none


### ooobook

[App page](https://appshunter.io/ios/app/ooobook/id6764209971)

**In-app purchases:** none


## Frequently asked questions

### Is 러너러너 free?

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

### Is ooobook free?

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

### Do 러너러너 or ooobook have ads?

Neither 러너러너 nor ooobook shows ads.

### Which is updated more often, 러너러너 or ooobook?

러너러너 ships an update fortnightly, and ooobook daily. Most recently, 러너러너 was updated on October 14, 2026 and ooobook on October 3, 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.*