smartHMI vs The Addition GR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
The Addition GR
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | smartHMI | The Addition GR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 115 MB | 44 MB |
| Age rating | 17+ | 12+ |
| Developer | Siemens AG | The Addition GR, LLC |
In-app purchases
smartHMI
No in-app purchases
The Addition GR
No in-app purchases
Questions
Is smartHMI free?
Is The Addition GR free?
Do smartHMI or The Addition GR have ads?
Which is updated more often, smartHMI or The Addition GR?
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