# E3 Controller vs Big Ass Fans

The clearest difference is rating: Big Ass Fans at 4.9 against E3 Controller's 2.9. Big Ass Fans also leads on review sentiment (88% vs 57%) and ratings volume (2.2K vs 9). E3 Controller's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Big Ass Fans holds the better App Store score, 4.9 against 2.9. That said, the two scores are not equally well evidenced: Big Ass Fans has 2.2K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 57% of E3 Controller's written reviews are positive against 88% of Big Ass Fans's.

E3 Controller ships an update every 11 months, Big Ass Fans every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | E3 Controller | Big Ass Fans |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (9 ratings)](https://appshunter.io/ios/app/e3-controller-us/id509030474/reviews) | **[4.9 (2.2K ratings)](https://appshunter.io/ios/app/big-ass-fans/id1472272574/reviews)** |
| Number of ratings | 9 | **2.2K** |
| Positive reviews | 57.1% of reviews | **88.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 12 MB | 46 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) | [Delta T LLC](https://appshunter.io/developer/513451861) |

## 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


### Big Ass Fans

[App page](https://appshunter.io/ios/app/big-ass-fans/id1472272574)

Control your residential fans remotely from anywhere in the world. Adjust fan speeds, set automated comfort levels, and integrate with smart home assistants. Manage LED lights, schedule operations, and utilize special modes like Whoosh and Clean Mode.

**Highlights:** Remote fan speed control (7 speeds), Automated comfort level settings, Smart home assistant integration (Alexa, Google Assistant), LED light brightness and color temperature adjustment, Scheduling and automated operation, Whoosh mode for natural breezes, UV-C system status and Clean Mode control

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

**In-app purchases:** none

**What reviewers like**

- 👍 Quiet and efficient operation
- 🚀 Powerful air circulation
- 💡 Convenient app control
- 🔧 Easy installation
- 🤖 Seamless integration with smart home

**What reviewers complain about**

- 🐛 Connectivity issues with app and wall controls
- 🔌 Firmware updates causing loss of functionality
- 🔧 Occasional need for rebalancing
- 💰 High cost compared to other options

**Reported bugs**

- Light turning on randomly at night
- Fans disconnecting from WiFi
- Wall controls becoming unresponsive after updates

**Requested features**

- Add support for Apple HomeKit
- Improve scheduling and automation features
- Provide more granular speed and light control
- Integrate with more smart home platforms


## Frequently asked questions

### Is E3 Controller free?

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

### Is Big Ass Fans free?

Big Ass Fans is free to download, with no in-app purchases.

### Which has better reviews, E3 Controller or Big Ass Fans?

Big Ass Fans is rated higher. E3 Controller averages 2.9 out of 5 from 9 ratings, while Big Ass Fans averages 4.9 from 2.2K ratings.

### Do E3 Controller or Big Ass Fans have ads?

Neither E3 Controller nor Big Ass Fans shows ads.

### Which is updated more often, E3 Controller or Big Ass Fans?

E3 Controller ships an update every 11 months, and Big Ass Fans every 2 months. Most recently, E3 Controller was updated on November 1, 2026 and Big Ass Fans on November 6, 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.*