# おもてなしガイドアナウンス vs YYサイレンアラート

The clearest difference is update cadence: YYサイレンアラート at monthly against おもてなしガイドアナウンス's every 4 months. YYサイレンアラート also leads on device support (3 vs 1). おもてなしガイドアナウンス's advantage is iOS requirement (9.0 vs 15.0). 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.

おもてなしガイドアナウンス ships an update every 4 months, YYサイレンアラート monthly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | おもてなしガイドアナウンス | YYサイレンアラート |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 36 MB | 6 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation](https://appshunter.io/developer/353469356) | [株式会社エクォス・リサーチ](https://appshunter.io/developer/1483010608) |

## What reviewers say

### おもてなしガイドアナウンス

[App page](https://appshunter.io/ios/app/id1433425830)

**In-app purchases:** none


### YYサイレンアラート

[App page](https://appshunter.io/ios/app/yy/id6450823634)

This utility app visualizes important sounds like sirens and alarms, alerting users through visual cues and vibrations. It helps individuals who have difficulty hearing these sounds or want to be more aware of their auditory environment. The app detects various sounds, from emergency vehicles to everyday noises.

**Highlights:** Visualizes siren sounds, Alerts via display and vibration, Detects emergency vehicle sounds, Recognizes car horns and bicycle bells, Identifies fire alarms and intercoms, Visualizes speech, music, and breaking glass sounds

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

**In-app purchases:** none


## Frequently asked questions

### Is おもてなしガイドアナウンス free?

おもてなしガイドアナウンス is free to download, with no in-app purchases.

### Is YYサイレンアラート free?

YYサイレンアラート is free to download, with no in-app purchases.

### Do おもてなしガイドアナウンス or YYサイレンアラート have ads?

Neither おもてなしガイドアナウンス nor YYサイレンアラート shows ads.

### Which is updated more often, おもてなしガイドアナウンス or YYサイレンアラート?

おもてなしガイドアナウンス ships an update every 4 months, and YYサイレンアラート monthly. Most recently, おもてなしガイドアナウンス was updated on October 4, 2026 and YYサイレンアラート on October 10, 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.*