DocuPilot4PG vs smartHMI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DocuPilot4PG
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With DocuPilot App on iPad you access directly to your Power Plant Documentation on Cloud, anywhere at any time. The Cloud guarantees safe access and up-to-date documents. Synchronize the documentation with your iPad in order to get easy offline access. - Get structured access to your different document sections. - Get access easily and fast to all of your documents stored in the cloud. - Search for information in your complete documentation selectively with facets or completely free with various terms – and have the searched information displayed within shortest time. - Update all of your documents and folders, which you want to have available offline, manually with one click – at any time you want – or automatically by the App. - Bundle documents for specific tasks. - Add annotations to PDF files when working on tasks. - Add files to your documents when working on tasks. - Manage your favorite documents or access your last recently used documents. - View asset’s technical data.
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.
Screenshots
Verdict
The clearest difference is update cadence: DocuPilot4PG at every 3 months against smartHMI's every 7 months. smartHMI's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases 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.
DocuPilot4PG ships an update every 3 months, smartHMI every 7 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.
| Parameter | DocuPilot4PG | smartHMI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 115 MB |
| Age rating | 4+ | 17+ |
| Developer | Siemens Energy | Siemens AG |
In-app purchases
DocuPilot4PG
No in-app purchases
smartHMI
No in-app purchases
Questions
Is DocuPilot4PG free?
Is smartHMI free?
Do DocuPilot4PG or smartHMI have ads?
Which is updated more often, DocuPilot4PG or smartHMI?
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