# Sub vs Control4 for OS 3

The clearest difference is rating: Sub at 4.4 against Control4 for OS 3's 3.0. Sub also leads on iOS requirement (15.5 vs 18.0). Control4 for OS 3's advantage is update cadence (fortnightly vs every 5 weeks) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Sub holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 778 and 576 respectively. Written reviews complicate that: 15% of Sub's written reviews are positive against 22% of Control4 for OS 3's, so the app with the better star average is not the one people write more warmly about.

Sub ships an update every 5 weeks, Control4 for OS 3 fortnightly. Both last shipped on October 21, 2026.

## The numbers

| Metric | Sub | Control4 for OS 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (778 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews)** | [3.0 (576 ratings)](https://appshunter.io/ios/app/control4-for-os-3/id1320153814/reviews) |
| Number of ratings | **778** | 576 |
| Positive reviews | 14.7% of reviews | **21.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 207 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) | [Snap One, LLC](https://appshunter.io/developer/417819127) |

## What reviewers say

### 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


### Control4 for OS 3

[App page](https://appshunter.io/ios/app/control4-for-os-3/id1320153814)

Transform your iPhone or iPad into a personal interface for your smart home. Control all connected devices, including lights, thermostats, security, and media, with a redesigned, personalized experience. Requires a Control4 Smart Home OS 3 system.

**Highlights:** Personalized user interface, Control lights, thermostats, security, Manage music and video, Access favorites and room-specific settings, Intuitive volume control, Customizable room wallpapers

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Responsive and fast
- 🌟 Elegant and modern UI
- 🔒 Robust security features
- 👍 Customizable and personalized
- 🎨 Improved visual design

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⏱️ Slow load times and reconnections
- 🔌 Unreliable connectivity
- 🤖 Lacking integration with smart home platforms
- 💰 Expensive and costly to maintain

**Reported bugs**

- Intercom and doorbell issues
- Thermostat controls not working as expected
- Inability to connect to the system remotely
- Compatibility problems with newer iOS versions
- Unexpected app crashes and freezes

**Requested features**

- Apple Watch app support
- Better integration with Apple ecosystem
- Improved voice control and Alexa integration
- More customization options for users
- Faster and more responsive app performance


## Frequently asked questions

### Is Sub free?

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

### Is Control4 for OS 3 free?

Control4 for OS 3 is free to download, with no in-app purchases.

### Which has better reviews, Sub or Control4 for OS 3?

Sub is rated higher. Sub averages 4.4 out of 5 from 778 ratings, while Control4 for OS 3 averages 3.0 from 576 ratings.

### Do Sub or Control4 for OS 3 have ads?

Neither Sub nor Control4 for OS 3 shows ads.

### Which is updated more often, Sub or Control4 for OS 3?

Sub ships an update every 5 weeks, and Control4 for OS 3 fortnightly. Most recently, Sub was updated on October 21, 2026 and Control4 for OS 3 on October 21, 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.*