Comparison

smartHMI vs The Addition GR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

smartHMI

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smartHMI mobile enables commissioning, operation and service of supported Siemens HVAC control systems. The app provides a mobile user interface for monitoring and managing connected systems throughout their lifecycle. The application includes sample dashboards and plant views for common HVAC applications. These can be exported, customized outside the app and re-imported to support additional system types and use cases. Features: . Connect locally via TCP/IP or USB, or remotely through Siemens cloud services. . Monitor system operation using application-specific graphics and dashboards. . Access and adjust controller functions from your mobile device. . Review active alarms and historic alarms. . Analyze trends and operational data. . Activate and deploy licenses to supported controllers.

About

The Addition GR

Features
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Our flexible work app offers a seamless user experience designed to connect you with your workspace and community like never before. With features like community messaging, event calendars, and workspace bookings, staying productive and connected has never been easier. Our app lets you easily book workspaces, so you can choose the location and environment that works best for you. And with our real-time availability feature, you'll never have to worry about showing up to a full workspace. Your support services are always available to help you with any questions or issues you may have. Connect with like-minded professionals through our messaging feature, and collaborate on projects and events. Our app is designed to help you stay focused and productive. Overall, our flexible work app is the perfect solution for anyone looking for a community-driven workspace experience. With a user-friendly interface and a wide range of features designed to help you stay connected and productive, you'll have everything you need to succeed in your work.

Screenshots

smartHMI4 screens

Verdict

The call

The clearest difference is ads: smartHMI at none against The Addition GR's shown. smartHMI also leads on iOS requirement (12.0 vs 15.0). The Addition GR's advantage is update cadence (monthly vs every 7 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

smartHMI ships an update every 7 months, The Addition GR monthly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
smartHMI versus The Addition GR: the parameters behind the verdict, then further details
ParametersmartHMIThe Addition GR
PriceFreeFree
Update frequencyEvery 7 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size115 MB44 MB
Age rating17+12+
DeveloperSiemens AGThe Addition GR, LLC

In-app purchases

None

smartHMI

No in-app purchases

None

The Addition GR

No in-app purchases

Questions

Is smartHMI free?
smartHMI is free to download, with no in-app purchases.
Is The Addition GR free?
The Addition GR is free to download, with no in-app purchases.
Do smartHMI or The Addition GR have ads?
The Addition GR shows ads; smartHMI does not.
Which is updated more often, smartHMI or The Addition GR?
smartHMI ships an update every 7 months, and The Addition GR monthly. Most recently, smartHMI was updated on October 11, 2026 and The Addition GR on October 9, 2026.

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