# KRK Control vs Duyarim

The clearest difference is in-app purchases: KRK Control at none against Duyarim's 3. Duyarim's advantage is update cadence (every 2 days vs every 3 months) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Duyarim sells 3 in-app purchases, starting at $4.99 per 7 days. KRK Control asks for nothing beyond the download.

KRK Control ships an update every 3 months, Duyarim every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | KRK Control | Duyarim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 36 MB | 40 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | +4 |
| Developer | [KRK Systems, Inc.](https://appshunter.io/developer/1453700299) | [Mustafa Demir](https://appshunter.io/developer/1658314272) |

## 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


### Duyarim

[App page](https://appshunter.io/ios/app/duyarim-hear-it/id6796366665)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is KRK Control free?

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

### Is Duyarim free?

Duyarim is free to download, with in-app purchases available.

### Do KRK Control or Duyarim have ads?

Neither KRK Control nor Duyarim shows ads.

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

KRK Control ships an update every 3 months, and Duyarim every 2 days. Most recently, KRK Control was updated on October 31, 2026 and Duyarim on October 31, 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.*