# siro 公式アプリ vs オアリパ+

The clearest difference is update cadence: オアリパ+ at every 2 months against siro 公式アプリ's every 39 months. siro 公式アプリ's advantage is iOS requirement (12.0 vs 14.0). 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.

siro 公式アプリ ships an update every 39 months, オアリパ+ every 2 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | siro 公式アプリ | オアリパ+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 months** |
| Size | 31 MB | 80 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [TAKATOSHI MORIHIRO](https://appshunter.io/developer/1606652618) | [株式会社 NTTデータ北海道](https://appshunter.io/developer/1667499709) |

## What reviewers say

### siro 公式アプリ

[App page](https://appshunter.io/ios/app/siro/id1606652616)

**In-app purchases:** none


### オアリパ+

[App page](https://appshunter.io/ios/app/plus/id6449173710)

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

**In-app purchases:** none


## Frequently asked questions

### Is siro 公式アプリ free?

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

### Is オアリパ+ free?

オアリパ+ is free to download, with no in-app purchases.

### Do siro 公式アプリ or オアリパ+ have ads?

Neither siro 公式アプリ nor オアリパ+ shows ads.

### Which is updated more often, siro 公式アプリ or オアリパ+?

siro 公式アプリ ships an update every 39 months, and オアリパ+ every 2 months. Most recently, siro 公式アプリ was updated on October 2, 2026 and オアリパ+ on October 4, 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.*