# Sub vs RControl

The clearest difference is rating: RControl at 4.8 against Sub's 4.4. RControl also leads on review sentiment (29% vs 15%) and monetization model (free vs ad-supported). Sub's advantage is iOS requirement (15.5 vs 17.0). On price, update cadence, 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.

RControl holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: RControl has 4K ratings behind it against 778, so its average is the more settled of the two. Written reviews point the same way: 15% of Sub's written reviews are positive against 29% of RControl's.

Sub ships an update every 5 weeks, RControl every 3 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Sub | RControl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (778 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews) | **[4.8 (4K ratings)](https://appshunter.io/ios/app/rcontrol/id1463597829/reviews)** |
| Number of ratings | 778 | **4K** |
| Positive reviews | 15.1% of reviews | **29.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 94 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) | [M2M Services Ltd](https://appshunter.io/developer/888212026) |

## 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


### RControl

[App page](https://appshunter.io/ios/app/rcontrol/id1463597829)

Transform your existing alarm panel into a smart security system. This app allows remote control of your alarm, zone monitoring, and real-time event notifications. Manage multiple locations and access historical data for enhanced home security.

**Highlights:** Remotely arm and disarm alarm system, Monitor alarm system status and zones, Bypass zones, Real-time event notifications, Review 12 months of event history, Control multiple locations

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and easy to use
- 🔒 Secure and reliable
- 👍 Convenient remote access

**What reviewers complain about**

- 🐛 Connectivity issues and app crashes
- ⏱️ Slow response times
- 🔍 Lack of status indicators

**Reported bugs**

- Login/password reset problems
- Sync with panel issues
- Freezing and unresponsiveness

**Requested features**

- Stay mode arm/disarm option
- User activity logs
- Customizable zone display


## Frequently asked questions

### Is Sub free?

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

### Is RControl free?

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

### Which has better reviews, Sub or RControl?

RControl is rated higher. Sub averages 4.4 out of 5 from 778 ratings, while RControl averages 4.8 from 4K ratings.

### Do Sub or RControl have ads?

Neither Sub nor RControl shows ads.

### Which is updated more often, Sub or RControl?

Sub ships an update every 5 weeks, and RControl every 3 weeks. Most recently, Sub was updated on September 20, 2026 and RControl on September 22, 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.*