TESS Services vs Guard Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TESS Services
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TESS Services makes it easier to submit safety tests and simplifies workflow.
Guard Mobile
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Utilize all the powerful applications in Guard Cloud through a seamless and secure user experience with Guard Mobile when you are on the go. With Guard Cloud, you can exchange, analyze, and visualize virtually any industrial data to facilitate informed decision-making and thus enhance your operational efficiency. The latest addition Mobile HMI serves as a virtual operator panel that sets a new standard for direct interaction with industrial control systems. This feature automates the presentation of process values, alarms, parameters, and operator selections - effectively eliminating all maintenance and development costs associated with traditional terminals. In addition, Mobile HMI represents possibly the most secure operator panel solution in the industry, featuring centralized identity and access management along with sophisticated security mechanisms for direct wireless communication between essentially any PLC and Guard Mobile.
Screenshots
Verdict
The clearest difference is update cadence: Guard Mobile at every 3 months against TESS Services's every 13 months. TESS Services's advantage is iOS requirement (11.0 vs 15.1). 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.
TESS Services ships an update every 13 months, Guard Mobile every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | TESS Services | Guard Mobile |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 163 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | TESS as | Guard Automation AS |
In-app purchases
TESS Services
No in-app purchases
Guard Mobile
No in-app purchases
Questions
Is TESS Services free?
Is Guard Mobile free?
Do TESS Services or Guard Mobile have ads?
Which is updated more often, TESS Services or Guard Mobile?
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