# riAn　公式アプリ vs うぃすてりあ

riAn　公式アプリ and うぃすてりあ 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.

riAn　公式アプリ ships an update every 38 months, うぃすてりあ every 40 months. The most recent releases landed on December 27, 2025 and June 1, 2026 respectively.

## The numbers

| Metric | riAn　公式アプリ | うぃすてりあ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 40 months |
| Size | 16 MB | 43 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RINA IDEO](https://appshunter.io/developer/1455163091) | [MOTOKA TOMITA](https://appshunter.io/developer/1579601524) |

## What reviewers say

### riAn　公式アプリ

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

**In-app purchases:** none


### うぃすてりあ

[App page](https://appshunter.io/ios/app/id1579601522)

**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 うぃすてりあ free?

うぃすてりあ is free to download, with no in-app purchases.

### Do riAn　公式アプリ or うぃすてりあ have ads?

Neither riAn　公式アプリ nor うぃすてりあ shows ads.

### Which is updated more often, riAn　公式アプリ or うぃすてりあ?

riAn　公式アプリ ships an update every 38 months, and うぃすてりあ every 40 months. Most recently, riAn　公式アプリ was updated on December 27, 2025 and うぃすてりあ on June 1, 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.*