# Sub vs AromaTech

The clearest difference is monetization model: AromaTech at free against Sub's ad-supported. On price, review sentiment, update cadence 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 ships an update every 5 weeks, AromaTech every 2 months. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sub | AromaTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (778 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews)** | — |
| Number of ratings | **778** | — |
| Positive reviews | **15.1% of reviews** | 14.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 63 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) | [AromaTech Inc.](https://appshunter.io/developer/1446635796) |

## 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


### AromaTech

[App page](https://appshunter.io/ios/app/aromatech/id1660819181)

Control your home scenting system with personalized schedules, adjustable intensity, and ambient lighting. Manage multiple diffusers from a single app to create your ideal atmosphere.

**Highlights:** Personalized scent schedules, Adjustable scent intensity, Ambient lighting control, Manage multiple diffusers, Create custom scent experiences

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

**In-app purchases:** none


## Frequently asked questions

### Is Sub free?

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

### Is AromaTech free?

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

### Do Sub or AromaTech have ads?

Neither Sub nor AromaTech shows ads.

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

Sub ships an update every 5 weeks, and AromaTech every 2 months. Most recently, Sub was updated on September 20, 2026 and AromaTech on September 17, 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.*