# smartHMI vs Johnson Controls CWa

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.

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.

## The numbers

| Metric | smartHMI | Johnson Controls CWa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (24 ratings)](https://appshunter.io/ios/app/johnson-controls-cwa/id6449843911/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 115 MB | 75 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Siemens AG](https://appshunter.io/developer/394503271) | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) |

## What reviewers say

### smartHMI

[App page](https://appshunter.io/ios/app/smarthmi/id6448357450)

**In-app purchases:** none


### Johnson Controls CWa

[App page](https://appshunter.io/ios/app/johnson-controls-cwa/id6449843911)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is smartHMI free?

smartHMI is free to download, with no in-app purchases.

### Is Johnson Controls CWa free?

Johnson Controls CWa is free to download, with no in-app purchases.

### Do smartHMI or Johnson Controls CWa have ads?

Neither smartHMI nor Johnson Controls CWa shows ads.

### Which is updated more often, smartHMI or Johnson Controls CWa?

smartHMI ships an update every 7 months, and Johnson Controls CWa every 3 months. Most recently, smartHMI was updated on September 16, 2026 and Johnson Controls CWa on June 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*