# DK vs Heffeix

The clearest difference is iOS requirement: Heffeix at 15.6 against DK's 17.0. 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.

## The numbers

| Metric | DK | Heffeix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 100 MB | 43 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [跃强 李](https://appshunter.io/developer/6800961421) | [Qingdao Heffeix Technology Co., Ltd.](https://appshunter.io/developer/1859820875) |

## What reviewers say

### DK

[App page](https://appshunter.io/ios/app/dk-ai/id6801022322)

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

**In-app purchases:** none


### Heffeix

[App page](https://appshunter.io/ios/app/heffeix/id6814136864)

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

**In-app purchases:** none


## Frequently asked questions

### Is DK free?

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

### Is Heffeix free?

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

### Do DK or Heffeix have ads?

Neither DK nor Heffeix 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.*