# DIASelector vs 中控SCADA

The clearest difference is iOS requirement: 中控SCADA at 13.0 against DIASelector's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DIASelector ships an update every 10 months, 中控SCADA every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DIASelector | 中控SCADA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 21 MB | 30 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [SUPCON Technology Co., Ltd.](https://appshunter.io/developer/623183884) |

## What reviewers say

### DIASelector

[App page](https://appshunter.io/ios/app/diaselector/id1588615847)

**In-app purchases:** none


### 中控SCADA

[App page](https://appshunter.io/ios/app/scada/id6752639342)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DIASelector free?

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

### Is 中控SCADA free?

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

### Do DIASelector or 中控SCADA have ads?

Neither DIASelector nor 中控SCADA shows ads.

### Which is updated more often, DIASelector or 中控SCADA?

DIASelector ships an update every 10 months, and 中控SCADA every 6 months. Most recently, DIASelector was updated on November 3, 2026 and 中控SCADA on October 30, 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.*