# Sub vs Carrier SmartHome

The clearest difference is rating: Sub at 4.4 against Carrier SmartHome's 3.5. Sub also leads on monetization model (ad-supported vs free with in-app purchases). Carrier SmartHome's advantage is update cadence (fortnightly vs every 5 weeks) and ratings volume (2.6K vs 786). On price, review sentiment, 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.

Sub holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 786 and 2.6K respectively. Written reviews point the same way: 15% of Sub's written reviews are positive against 11% of Carrier SmartHome's.

Sub ships an update every 5 weeks, Carrier SmartHome fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sub | Carrier SmartHome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (786 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews)** | [3.5 (2.6K ratings)](https://appshunter.io/ios/app/carrier-smarthome/id6503700523/reviews) |
| Number of ratings | 786 | **2.6K** |
| Positive reviews | **14.7% of reviews** | 11.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 69 MB | 193 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) | [Carrier Corporation](https://appshunter.io/developer/542004889) |

## 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


### Carrier SmartHome

[App page](https://appshunter.io/ios/app/carrier-smarthome/id6503700523)

Control your home's comfort remotely with this app. Adjust temperature, set custom schedules, monitor energy usage, and receive important alerts. It offers a personalized and efficient way to manage your home's climate.

**Highlights:** Remote temperature and humidity control, Customizable smart schedules, Energy usage monitoring, Real-time system alerts, Personalized comfort settings

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Significant improvement
- 👍 Intuitive and easy to use
- 👍 Sleek, modern feel
- 👍 Refreshed look and improved experience
- 👍 Good screens

**What reviewers complain about**

- 🐛 App freezes and requires force quit
- 🐛 Doesn't show correct operating status
- 🐛 Doesn't update outside temperature
- 🐛 Fails to register temperature changes
- 🐛 Unreliable connection and sync issues

**Reported bugs**

- App freezes and becomes unresponsive
- Operating status not in sync with wall controller
- Notifications don't work or are delayed
- AQI data is inaccurate for user's location
- Temperature changes not reflected in app

**Requested features**

- Show system operating status (heating, cooling)
- Display energy consumption details
- Add more temperature schedule options
- Integrate with Apple HomeKit
- Show outside temperature measured by the system


## Frequently asked questions

### Is Sub free?

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

### Is Carrier SmartHome free?

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

### Which has better reviews, Sub or Carrier SmartHome?

Sub is rated higher. Sub averages 4.4 out of 5 from 786 ratings, while Carrier SmartHome averages 3.5 from 2.6K ratings.

### Do Sub or Carrier SmartHome have ads?

Neither Sub nor Carrier SmartHome shows ads.

### Which is updated more often, Sub or Carrier SmartHome?

Sub ships an update every 5 weeks, and Carrier SmartHome fortnightly. Most recently, Sub was updated on October 24, 2026 and Carrier SmartHome on October 28, 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.*