# OTOTETSU vs 東日本特急効果音

The clearest difference is update cadence: 東日本特急効果音 at every 3 weeks against OTOTETSU's every 2 months. 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.

OTOTETSU ships an update every 2 months, 東日本特急効果音 every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OTOTETSU | 東日本特急効果音 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/ototetsu/id1557885726/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 93.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 42 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hisato Takeuchi](https://appshunter.io/developer/1512764876) | [Yuta Wakamatsu](https://appshunter.io/developer/1482594118) |

## What reviewers say

### OTOTETSU

[App page](https://appshunter.io/ios/app/ototetsu/id1557885726)

This app simulates the characteristic sounds of electric trains, generated by inverters controlling motor torque and speed. Users can design sounds for imaginary trains by manipulating waveforms and motor sounds.

**Highlights:** Simulates electric train acceleration/deceleration sounds, Generates waveforms from inverters, Simulates motor sounds, Design imaginary train sounds, Customize torque and rotational speed effects

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

**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 OTOTETSU free?

OTOTETSU is free to download, 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 OTOTETSU or 東日本特急効果音 have ads?

Neither OTOTETSU nor 東日本特急効果音 shows ads.

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

OTOTETSU ships an update every 2 months, and 東日本特急効果音 every 3 weeks. Most recently, OTOTETSU was updated on October 29, 2026 and 東日本特急効果音 on October 30, 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.*