# riAn　公式アプリ vs Ru.Ru.La

riAn　公式アプリ and Ru.Ru.La are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 38 months. The most recent releases landed on December 27, 2025 and December 5, 2025 respectively.

## The numbers

| Metric | riAn　公式アプリ | Ru.Ru.La |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | Every 38 months |
| Size | 16 MB | 35 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RINA IDEO](https://appshunter.io/developer/1455163091) | [YUMI ODA](https://appshunter.io/developer/1563193317) |

## What reviewers say

### riAn　公式アプリ

[App page](https://appshunter.io/ios/app/rian/id1455163092)

**In-app purchases:** none


### Ru.Ru.La

[App page](https://appshunter.io/ios/app/rurula/id1563193315)

**In-app purchases:** none


## Frequently asked questions

### Is riAn　公式アプリ free?

riAn　公式アプリ is free to download, with no in-app purchases.

### Is Ru.Ru.La free?

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

### Do riAn　公式アプリ or Ru.Ru.La have ads?

Neither riAn　公式アプリ nor Ru.Ru.La shows ads.

### Which is updated more often, riAn　公式アプリ or Ru.Ru.La?

riAn　公式アプリ ships an update every 38 months, and Ru.Ru.La every 38 months. Most recently, riAn　公式アプリ was updated on December 27, 2025 and Ru.Ru.La on December 5, 2025.

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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.*