# OSIRO オシロ vs オフィシャル・アルムナイ

The clearest difference is update cadence: OSIRO オシロ at fortnightly against オフィシャル・アルムナイ's monthly. OSIRO オシロ also leads on review sentiment (10% vs 0%). オフィシャル・アルムナイ's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18). On price, ads and in-app purchases there is nothing between them.

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

OSIRO オシロ ships an update fortnightly, オフィシャル・アルムナイ monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OSIRO オシロ | オフィシャル・アルムナイ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osiro/id1455458052/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **10.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 12 MB | 72 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [OSIRO K.K.](https://appshunter.io/developer/1455458051) | [株式会社ハッカズーク](https://appshunter.io/developer/1562934964) |

## What reviewers say

### OSIRO オシロ

[App page](https://appshunter.io/ios/app/osiro/id1455458052)

This companion app enhances the experience of using a community management platform. It centralizes content, blogs, groups, chats, and events, improving communication quality for fan or internal communities. Push notifications and multi-community switching are key features.

**Highlights:** Push notifications, Multi-community switching, Centralized content, Blog and group integration, Event management, Cross-device synchronization

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

**In-app purchases:** none


### オフィシャル・アルムナイ

[App page](https://appshunter.io/ios/app/id1583981704)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSIRO オシロ free?

OSIRO オシロ is free to download, with no in-app purchases.

### Is オフィシャル・アルムナイ free?

オフィシャル・アルムナイ is free to download, with no in-app purchases.

### Do OSIRO オシロ or オフィシャル・アルムナイ have ads?

Neither OSIRO オシロ nor オフィシャル・アルムナイ shows ads.

### Which is updated more often, OSIRO オシロ or オフィシャル・アルムナイ?

OSIRO オシロ ships an update fortnightly, and オフィシャル・アルムナイ monthly. Most recently, OSIRO オシロ was updated on November 2, 2026 and オフィシャル・アルムナイ on November 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.*