# Big Ass Fans vs VoltRef Pro

The clearest difference is in-app purchases: Big Ass Fans at none against VoltRef Pro's 2. Big Ass Fans also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. VoltRef Pro sells 2 in-app purchases, starting at $1.99 per 7 days. Big Ass Fans asks for nothing beyond the download.

## The numbers

| Metric | Big Ass Fans | VoltRef Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.2K ratings)](https://appshunter.io/ios/app/big-ass-fans/id1472272574/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 46 MB | 19 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Delta T LLC](https://appshunter.io/developer/513451861) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### 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


### VoltRef Pro

[App page](https://appshunter.io/ios/app/voltref-pro-electrician-code/id6796596602)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Annual Premium | $19.99 | per year |


## Frequently asked questions

### Is Big Ass Fans free?

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

### Is VoltRef Pro free?

VoltRef Pro is free to download, with in-app purchases available.

### Do Big Ass Fans or VoltRef Pro have ads?

Neither Big Ass Fans nor VoltRef Pro 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.*