# Sub vs ServiceJan

The clearest difference is review sentiment: ServiceJan at 100% against Sub's 15%. ServiceJan also leads on rating (4.9 vs 4.4) and monetization model (free vs ad-supported). Sub's advantage is ratings volume (778 vs 33). On price, ads, in-app purchases and device support there is nothing between them.

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

ServiceJan holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Sub has 778 ratings behind it against 33, 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 100% of ServiceJan's.

Sub ships an update every 5 weeks, ServiceJan fortnightly. The most recent releases landed on September 20, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sub | ServiceJan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (778 ratings)](https://appshunter.io/ios/app/sub-zero-group-owners-app/id1248991284/reviews) | **[4.9 (33 ratings)](https://appshunter.io/ios/app/servicejan/id6744030728/reviews)** |
| Number of ratings | **778** | 33 |
| Positive reviews | 15.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 55 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) | [ServiceJan Inc.](https://appshunter.io/developer/1805615898) |

## 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


### ServiceJan

[App page](https://appshunter.io/ios/app/servicejan/id6744030728)

Instantly find, book, and manage local service professionals for home repairs, maintenance, and various commercial needs. Offers real-time availability, technician transparency, and direct communication for unmatched clarity and speed.

**Highlights:** Instant service professional search, Real-time availability and booking, Technician-level transparency, Verified provider profiles, In-app messaging, Job status tracking

**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 ServiceJan free?

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

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

ServiceJan is rated higher. Sub averages 4.4 out of 5 from 778 ratings, while ServiceJan averages 4.9 from 33 ratings.

### Do Sub or ServiceJan have ads?

Neither Sub nor ServiceJan shows ads.

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

Sub ships an update every 5 weeks, and ServiceJan fortnightly. Most recently, Sub was updated on September 20, 2026 and ServiceJan on September 25, 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.*