# HMI Editor vs Klemsan Device Reader

The clearest difference is in-app purchases: Klemsan Device Reader at none against HMI Editor's 3. Klemsan Device Reader also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (13.2 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. HMI Editor sells 3 one-off in-app purchases. Klemsan Device Reader asks for nothing beyond the download.

HMI Editor ships an update every 2 months, Klemsan Device Reader every 9 days. The most recent releases landed on September 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | HMI Editor | Klemsan Device Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/hmi-editor/id1261910661/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 8 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Maendel](https://appshunter.io/developer/507756979) | [Klemsan Elektrik Elektronik AŞ](https://appshunter.io/developer/1316851537) |

## What reviewers say

### HMI Editor

[App page](https://appshunter.io/ios/app/hmi-editor/id1261910661)

Create custom interfaces for real-time industrial process monitoring and control on iOS devices. Design dynamic dashboards with various elements and connect them to PLC systems. Develop and test projects freely, with payment only for deployment.

**Highlights:** Customizable page layouts, Real-time monitoring and control, Support for major PLC brands, On-screen project editing, Export/import asset files, Cloud storage and deployment

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Activation for One Use | $199.99 | one-time |
| Activation for Five Uses | $599.99 | one-time |
| Activation for Ten Uses | $999.99 | one-time |


### Klemsan Device Reader

[App page](https://appshunter.io/ios/app/klemsan-device-reader/id1316851538)

Access real-time data from Klemsan devices with a specialized display for easier reading. Save critical data to your favorites for quick access.

**Highlights:** Instant access to device data, Favorite critical data, Specialized data display, Easy data reading

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HMI Editor free?

HMI Editor is free to download, with in-app purchases available.

### Is Klemsan Device Reader free?

Klemsan Device Reader is free to download, with no in-app purchases.

### Do HMI Editor or Klemsan Device Reader have ads?

Neither HMI Editor nor Klemsan Device Reader shows ads.

### Which is updated more often, HMI Editor or Klemsan Device Reader?

HMI Editor ships an update every 2 months, and Klemsan Device Reader every 9 days. Most recently, HMI Editor was updated on September 14, 2026 and Klemsan Device Reader on October 5, 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.*