# FAS vs 東日本特急効果音

The clearest difference is price: 東日本特急効果音 at Free against FAS's $3.99. 東日本特急効果音 also leads on update cadence (every 3 weeks vs every 95 months). FAS's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

東日本特急効果音 is free to download; FAS costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FAS ships an update every 95 months, 東日本特急効果音 every 3 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FAS | 東日本特急効果音 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 95 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 42 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [Yuta Wakamatsu](https://appshunter.io/developer/1482594118) |

## What reviewers say

### FAS

[App page](https://appshunter.io/ios/app/fas/id1149266961)

This app simulates various Japanese emergency vehicle sirens and voice announcements. It allows for volume adjustment of sirens and voice messages, and even lets you record custom announcements. The interface includes a flashing light effect.

**Highlights:** Simulates police, ambulance, and fire truck sirens, Includes voice announcements for emergency vehicles, Adjustable siren and voice volume, Record custom voice messages, Flashing light effect, Multiple siren and voice channels

**Features:** macOS Compatibility

**In-app purchases:** none


### 東日本特急効果音

[App page](https://appshunter.io/ios/app/id6744698237)

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

**In-app purchases:** none


## Frequently asked questions

### Is FAS free?

FAS costs $3.99, with no in-app purchases.

### Is 東日本特急効果音 free?

東日本特急効果音 is free to download, with no in-app purchases.

### Do FAS or 東日本特急効果音 have ads?

Neither FAS nor 東日本特急効果音 shows ads.

### Which is updated more often, FAS or 東日本特急効果音?

FAS ships an update every 95 months, and 東日本特急効果音 every 3 weeks. Most recently, FAS was updated on October 17, 2026 and 東日本特急効果音 on October 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.*