# Control Systems Engineering vs Marketing Terms Basics

The clearest difference is in-app purchases: Marketing Terms Basics at none against Control Systems Engineering's 6. Marketing Terms Basics also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). 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. Marketing Terms Basics asks for nothing beyond the download.

## The numbers

| Metric | Control Systems Engineering | Marketing Terms Basics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 18 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### 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 |


### Marketing Terms Basics

[App page](https://appshunter.io/ios/app/marketing-terms-basics/id6794117162)

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

**In-app purchases:** none


## Frequently asked questions

### Is Control Systems Engineering free?

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

### Is Marketing Terms Basics free?

Marketing Terms Basics is free to download, with no in-app purchases.

### Do Control Systems Engineering or Marketing Terms Basics have ads?

Neither Control Systems Engineering nor Marketing Terms Basics shows ads.

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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.*