# OTOTETSU vs CPE PIC

The clearest difference is device support: OTOTETSU at 3 against CPE PIC's —. CPE PIC's advantage is iOS requirement (11.0 vs 15.0). On price 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.

## The numbers

| Metric | OTOTETSU | CPE PIC |
| --- | --- | --- |
| 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 | — |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 20 MB | 326 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Hisato Takeuchi](https://appshunter.io/developer/1512764876) | [DataMesh Pte Ltd](https://appshunter.io/developer/1720922737) |

## 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


### CPE PIC

[App page](https://appshunter.io/ios/app/cpe-pic/id6478201340)

**In-app purchases:** none


## Frequently asked questions

### Is OTOTETSU free?

OTOTETSU is free to download, with no in-app purchases.

### Is CPE PIC free?

CPE PIC is free to download, with no in-app purchases.

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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.*