SZG Service Advisor vs Sub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SZG Service Advisor
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.
- 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
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Control, diagnose and troubleshoot Sub-Zero, Wolf, and Cove appliances right from your mobile device. Service Advisor is a powerful application design for Sub-Zero Group's authorized service network. Built to enhance the efficiency of field technicians, this app facilitates swift and precise appliance diagnostics and servicing. It offers direct access to appliance data, component controls, and technical documentation, ensuring that vital information is always at your fingertips. Whether you're on-site or in the office, Service Advisor empowers you to deliver faster and smarter service. Key Features: Live Diagnostics: Instantly view fault codes, temperature readings, and system statuses. Unit Updates: Push and manage appliance firmware updates directly from your device to ensure optimal performance and compatibility. Component Controls: Manually control key functions, such as activating fans, compressors, lights and more to verify functionality. Integrated Tools: Launch Answer Advisor and access essential information such as Important Service Information and Unit History. Offline Mode: Access key features, components and essential information even when connectivity is limited. Feedback: Submit bugs, suggestions or feature requests directly to the development team. Whether you're troubleshooting in the field or prepping for a service call, Service Advisor gives you direct access to essential appliance information, components, and technical documentation all in the palm of your hand.
Sub
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Sub-Connect mobile app helps in monitoring and measuring in real-time the temperature, humidity, energy, and other sensor values, output status, faults, and setPoint control operations for various connected devices. Receive timely alerts for excursions and incursions when assets go out of threshold, enabling you to take precautionary and necessary measures to safely preserve products in cold storages/rooms. Salient Features: Boost your business and achieve peace of mind with "Alerts & Notifications" on the go. Scheduled Reports & Analytics to assist management in informed decision-making. Sub-Connect is a proactive cloud-hosted platform that supports any Modbus-based Sub-zero controller. Dependable, reliable, and trusted Data Loggers for recording and presenting accurate data. Set custom rules as per your business needs and assign them to designated users or roles. Effortless performance tracking and data access for multiple assets by multiple users. Track your device status in real-time with alerts, SMS, and emails accessible anytime, anywhere. Contact us for controller compatibility.
Screenshots
Verdict
The clearest difference is update cadence: Sub at fortnightly against SZG Service Advisor's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SZG Service Advisor ships an update every 3 months, Sub fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | SZG Service Advisor | Sub |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 93 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Sub-Zero and Wolf | Subzero |
In-app purchases
SZG Service Advisor
No in-app purchases
Sub
No in-app purchases









