# DKey vs Otonu Tanı

The clearest difference is device support: DKey at 3 against Otonu Tanı's —. Otonu Tanı's advantage is iOS requirement (12.4 vs 15.0). On price 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 | DKey | Otonu Tanı |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 days | — |
| Size | 50 MB | 15 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Dijitaldev Bilisim Teknolojileri Limited Sirketi](https://appshunter.io/developer/1689532155) | [Mikail Simsek](https://appshunter.io/developer/1634256701) |

## What reviewers say

### DKey

[App page](https://appshunter.io/ios/app/dkey/id1643565708)

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

**In-app purchases:** none


### Otonu Tanı

[App page](https://appshunter.io/ios/app/otonu-tan/id6470750227)

**In-app purchases:** none


## Frequently asked questions

### Is DKey free?

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

### Is Otonu Tanı free?

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

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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.*