# Airscape WH Fan Controller vs Sub

Airscape WH Fan Controller and Sub both sit at 4.4 stars, but that hides the real split: 100% of Airscape WH Fan Controller's written reviews are positive against 15% of Sub's. Airscape WH Fan Controller also leads on iOS requirement (12.0 vs 15.5). Sub's advantage is in-app purchases (none vs 3) and update cadence (every 5 weeks vs every 13 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. Airscape WH Fan Controller sells 3 in-app purchases, starting at $7.99 per year. Sub asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Airscape WH Fan Controller against 4.4 for Sub. That said, the two scores are not equally well evidenced: Sub has 786 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 100% of Airscape WH Fan Controller's written reviews are positive against 15% of Sub's.

Airscape WH Fan Controller ships an update every 13 months, Sub every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Airscape WH Fan Controller | Sub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/airscape-wh-fan-controller/id1153188161/reviews) | **[4.4 (786 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews)** |
| Number of ratings | 8 | **786** |
| Positive reviews | **100.0% of reviews** | 14.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 10 MB | 69 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Scott Lucas](https://appshunter.io/developer/1153188130) | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) |

## What reviewers say

### Airscape WH Fan Controller

[App page](https://appshunter.io/ios/app/airscape-wh-fan-controller/id1153188161)

Control your Airscape whole house fan from your iPhone or iPad. Adjust fan speed, set timers, and receive notifications for optimal performance. Features like "pre cool" can help reduce air conditioning use.

**Highlights:** Remote fan speed control, Set fan timers, Receive performance notifications, On-screen temperature displays, Optional "pre cool" feature, Easy network setup

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One year subscription | $7.99 | per year |
| One month subscription | $0.99 | one-time |
| Six month subscription | $4.99 | one-time |


### Sub

[App page](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284)

This app enhances your kitchen experience by guiding you through recipes from websites and a curated collection. It allows remote control and monitoring of Sub-Zero refrigeration, Cove dishwashing, and Wolf appliances, ensuring optimal performance and convenience.

**Highlights:** Guided cooking from online recipes, Chef-tested recipes optimized for Wolf appliances, Remote dishwasher control and monitoring, Refrigerator settings and alerts, Filter recipes by cooking mode, Bookmark and share recipes

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Responsive and intuitive app
- 👍 Helpful notifications and alerts
- 🔒 Secure connection to appliances

**What reviewers complain about**

- 🐛 Frequent connection issues and disconnects
- 🔍 Lack of actual temperature monitoring
- 🤔 Confusing setup and pairing process
- 🔍 Missing key features like remote start

**Reported bugs**

- App crashes after recent updates
- Unable to log in or register account
- Appliances disappear from the app
- Firmware update failures brick appliances

**Requested features**

- Add support for Celsius temperature units
- Provide real-time temperature and energy consumption data
- Integrate with smart home platforms like Apple HomeKit


## Frequently asked questions

### Is Airscape WH Fan Controller free?

Airscape WH Fan Controller is free to download, with in-app purchases available.

### Is Sub free?

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

### Which has better reviews, Airscape WH Fan Controller or Sub?

Sub is rated higher. Airscape WH Fan Controller averages 4.4 out of 5 from 8 ratings, while Sub averages 4.4 from 786 ratings.

### Do Airscape WH Fan Controller or Sub have ads?

Neither Airscape WH Fan Controller nor Sub shows ads.

### Which is updated more often, Airscape WH Fan Controller or Sub?

Airscape WH Fan Controller ships an update every 13 months, and Sub every 5 weeks. Most recently, Airscape WH Fan Controller was updated on October 24, 2026 and Sub on October 24, 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.*