# DTUplus vs Control Systems Engineering

The clearest difference is in-app purchases: DTUplus at none against Control Systems Engineering's 6. DTUplus also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Control Systems Engineering's advantage is update cadence (every 3 months vs every 10 months). On price and ads there is nothing between them.

Both are free to download. Control Systems Engineering sells 6 in-app purchases, starting at $9.99 per month. DTUplus asks for nothing beyond the download.

DTUplus ships an update every 10 months, Control Systems Engineering every 3 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DTUplus | Control Systems Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 101 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Danmarks Tekniske Universitet](https://appshunter.io/developer/546654639) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### DTUplus

[App page](https://appshunter.io/ios/app/dtuplus/id1168532786)

**Features:** macOS Compatibility

**In-app purchases:** none


### Control Systems Engineering

[App page](https://appshunter.io/ios/app/control-systems-engineering/id6739731886)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is DTUplus free?

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

### Is Control Systems Engineering free?

Control Systems Engineering is free to download, with in-app purchases available.

### Do DTUplus or Control Systems Engineering have ads?

Neither DTUplus nor Control Systems Engineering shows ads.

### Which is updated more often, DTUplus or Control Systems Engineering?

DTUplus ships an update every 10 months, and Control Systems Engineering every 3 months. Most recently, DTUplus was updated on October 10, 2026 and Control Systems Engineering on October 2, 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.*