# SingleID Authenticator vs SZG Service Advisor

The clearest difference is rating: SingleID Authenticator at 1.3 against SZG Service Advisor's 1.0. SingleID Authenticator also leads on ratings volume (13 vs 2) and iOS requirement (13.0 vs 15.0). 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.

SingleID Authenticator holds the better App Store score, 1.3 against 1.0. That said, the two scores are not equally well evidenced: SingleID Authenticator has 13 ratings behind it against 2, so its average is the more settled of the two.

SingleID Authenticator ships an update every 2 months, SZG Service Advisor every 3 months. The most recent releases landed on September 21, 2026 and August 2, 2026 respectively.

## The numbers

| Metric | SingleID Authenticator | SZG Service Advisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (13 ratings)](https://appshunter.io/ios/app/singleid-authenticator/id1554967838/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/szg-service-advisor/id6463896957/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 54 MB | 93 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SAMSUNG SDS Co.,LTD](https://appshunter.io/developer/434934743) | [Sub-Zero and Wolf](https://appshunter.io/developer/983988992) |

## What reviewers say

### SingleID Authenticator

[App page](https://appshunter.io/ios/app/singleid-authenticator/id1554967838)

This app provides a convenient way to manage multi-factor authentication for various business systems. It supports biometric, PIN, TOTP, and mOTP methods for easy login. Initial setup involves scanning a QR code or manually entering a service code.

**Highlights:** Multi-Factor Authentication (MFA), Biometric login support, PIN authentication, TOTP and mOTP support, QR code registration, Mobile push authentication

**Features:** Vision Pro support

**In-app purchases:** none


### SZG Service Advisor

[App page](https://appshunter.io/ios/app/szg-service-advisor/id6463896957)

This app enables authorized service technicians to remotely control, diagnose, and troubleshoot Sub-Zero, Wolf, and Cove appliances. It provides direct access to appliance data, component controls, and technical documentation for efficient servicing.

**Highlights:** Live diagnostics and fault code viewing, Appliance firmware updates, Manual component control for testing, Access to technical documentation, Offline mode for limited connectivity, Direct feedback submission

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SingleID Authenticator free?

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

### Is SZG Service Advisor free?

SZG Service Advisor is free to download, with no in-app purchases.

### Which has better reviews, SingleID Authenticator or SZG Service Advisor?

SingleID Authenticator is rated higher. SingleID Authenticator averages 1.3 out of 5 from 13 ratings, while SZG Service Advisor averages 1.0 from 2 ratings.

### Do SingleID Authenticator or SZG Service Advisor have ads?

Neither SingleID Authenticator nor SZG Service Advisor shows ads.

### Which is updated more often, SingleID Authenticator or SZG Service Advisor?

SingleID Authenticator ships an update every 2 months, and SZG Service Advisor every 3 months. Most recently, SingleID Authenticator was updated on September 21, 2026 and SZG Service Advisor on August 2, 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.*