smartHMI vs Johnson Controls CWa
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.
Johnson Controls CWa
This app assists HVAC field installers and service contractors with onsite tasks. It allows technicians to discover and configure equipment controllers, create punch lists, and balance VAV boxes, with exportable reports.
- Discover BACnet compatible equipment controllers
- View and test equipment hardware points
- Create real-time punch lists
- Configure equipment data
- Display trends and events
- Balance single duct VAV boxes
- Export balancing reports
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Connected Workflow applications (CWa) from Johnson Controls are mobile applications designed to enable HVAC Field Installers & Service Contractors to deliver onsite services at the customer locations. HVAC field technicians can: Installer Module - Discover BACnet compatible equipment controllers on a BAS field bus - View and test equipment hardware points - Create “real-time” punch lists per device Technician Module - Discover BACnet compatible JCI HVAC equipment controllers on a BAS field bus - View and configure equipment data in real-time - Displays trends and events Balancer Module - Discover BACnet compatible JCI HVAC VAV controllers on a BAS field bus - Balance single duct VAV boxes - Export balancing reports
Screenshots
Verdict
The clearest difference is update cadence: Johnson Controls CWa at every 3 months against smartHMI's every 7 months. smartHMI's advantage is iOS requirement (12.0 vs 16.0). 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.
smartHMI ships an update every 7 months, Johnson Controls CWa every 3 months. The most recent releases landed on September 16, 2026 and June 23, 2026 respectively.
| Parameter | smartHMI | Johnson Controls CWa |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.5 (24 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 24 — better |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 115 MB | 75 MB |
| Age rating | 17+ | 4+ |
| Developer | Siemens AG | Johnson Controls, Inc. |
In-app purchases
smartHMI
No in-app purchases
Johnson Controls CWa
No in-app purchases
Questions
Is smartHMI free?
Is Johnson Controls CWa free?
Do smartHMI or Johnson Controls CWa have ads?
Which is updated more often, smartHMI or Johnson Controls CWa?
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