# E3 Controller vs Rail Scan

The clearest difference is iOS requirement: E3 Controller at 12.0 against Rail Scan's 14.1. 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.

## The numbers

| Metric | E3 Controller | Rail Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (9 ratings)](https://appshunter.io/ios/app/e3-controller-us/id509030474/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | — |
| Size | 12 MB | 29 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) | [ZEDAS GmbH](https://appshunter.io/developer/1453541981) |

## What reviewers say

### E3 Controller

[App page](https://appshunter.io/ios/app/e3-controller-us/id509030474)

Control your Disklavier E3 or DKC-850 remotely from your iOS device. View song titles and access all functions previously available with the infrared remote. Requires a wireless router connection to your piano.

**Highlights:** Remote control for Disklavier E3/DKC-850, Access all infrared remote functions, View piano control unit screen, Check song titles remotely, Wireless router connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### Rail Scan

[App page](https://appshunter.io/ios/app/rail-scan/id6469784707)

**In-app purchases:** none


## Frequently asked questions

### Is E3 Controller free?

E3 Controller is free to download, with no in-app purchases.

### Is Rail Scan free?

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

### Do E3 Controller or Rail Scan have ads?

Neither E3 Controller nor Rail Scan shows ads.

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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.*