# RK Controller vs CASAS eTests

The clearest difference is device support: CASAS eTests at 3 against RK Controller's 1. RK Controller's advantage is iOS requirement (11.0 vs 16.6). On price, 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.

## The numbers

| Metric | RK Controller | CASAS eTests |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (6 ratings)](https://appshunter.io/ios/app/casas-etests/id6478402899/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 37 MB | 23 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robokind LLC](https://appshunter.io/developer/952090931) | [CASAS - Comprehensive Adult Student Assessment Systems](https://appshunter.io/developer/1732706768) |

## What reviewers say

### RK Controller

[App page](https://appshunter.io/ios/app/rk-controller/id1472034850)

**Features:** macOS Compatibility

**In-app purchases:** none


### CASAS eTests

[App page](https://appshunter.io/ios/app/casas-etests/id6478402899)

This app provides a user-friendly platform for taking practice tests and receiving instant feedback. It offers a secure testing environment with technical support and progress tracking, featuring real-world content relevant to adults.

**Highlights:** User-friendly interface, Instant feedback and scores, Practice tests available, Secure testing environment, Technical support, Progress tracking, Real-world content

**In-app purchases:** none


## Frequently asked questions

### Is RK Controller free?

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

### Is CASAS eTests free?

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

### Do RK Controller or CASAS eTests have ads?

Neither RK Controller nor CASAS eTests 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.*