# E3 Controller vs WIDI App

The clearest difference is update cadence: WIDI App at monthly against E3 Controller's every 11 months. WIDI App also leads on ratings volume (29 vs 9). E3 Controller's advantage is review sentiment (57% vs 45%). On price, rating, 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.

WIDI App holds the better App Store score, 3.1 against 2.9. Both are backed by a comparable volume of ratings — 9 and 29 respectively. Written reviews complicate that: 57% of E3 Controller's written reviews are positive against 45% of WIDI App's, so the app with the better star average is not the one people write more warmly about.

E3 Controller ships an update every 11 months, WIDI App monthly. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | E3 Controller | WIDI App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (9 ratings)](https://appshunter.io/ios/app/e3-controller-us/id509030474/reviews) | **[3.1 (29 ratings)](https://appshunter.io/ios/app/widi-app/id1530167387/reviews)** |
| Number of ratings | 9 | **29** |
| Positive reviews | **57.1% of reviews** | 44.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | Free |
| Size | 12 MB | 17 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) | [CME PTE. LTD.](https://appshunter.io/developer/833376644) |

## 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


### WIDI App

[App page](https://appshunter.io/ios/app/widi-app/id1530167387)

Configure and manage wireless Bluetooth MIDI devices. Update firmware, rename devices, adjust Bluetooth settings, and optimize performance for low latency or jitter. Supports group connections and troubleshooting.

**Highlights:** Update device firmware, Rename Bluetooth MIDI devices, Set Bluetooth transmit power, Configure Bluetooth role (peripheral/auto), Set performance mode (low latency/jitter), Set wired MIDI thru function, Manage group connections

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E3 Controller free?

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

### Is WIDI App free?

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

### Which has better reviews, E3 Controller or WIDI App?

WIDI App is rated higher. E3 Controller averages 2.9 out of 5 from 9 ratings, while WIDI App averages 3.1 from 29 ratings.

### Do E3 Controller or WIDI App have ads?

Neither E3 Controller nor WIDI App shows ads.

### Which is updated more often, E3 Controller or WIDI App?

E3 Controller ships an update every 11 months, and WIDI App monthly. Most recently, E3 Controller was updated on September 21, 2026 and WIDI App on September 20, 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.*