# KRK Control vs ServiceTests

The clearest difference is update cadence: ServiceTests at every 6 weeks against KRK Control's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

KRK Control ships an update every 3 months, ServiceTests every 6 weeks. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | KRK Control | ServiceTests |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 36 MB | 12 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KRK Systems, Inc.](https://appshunter.io/developer/1453700299) | [Thanh Nguyen](https://appshunter.io/developer/6777103907) |

## What reviewers say

### KRK Control

[App page](https://appshunter.io/ios/app/krk-control/id6757442623)

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

**In-app purchases:** none


### ServiceTests

[App page](https://appshunter.io/ios/app/servicetests/id6790297735)

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

**In-app purchases:** none


## Frequently asked questions

### Is KRK Control free?

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

### Is ServiceTests free?

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

### Do KRK Control or ServiceTests have ads?

Neither KRK Control nor ServiceTests shows ads.

### Which is updated more often, KRK Control or ServiceTests?

KRK Control ships an update every 3 months, and ServiceTests every 6 weeks. Most recently, KRK Control was updated on October 23, 2026 and ServiceTests on October 16, 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.*