# K vs 스마트DUR+

The clearest difference is iOS requirement: K at 11.0 against 스마트DUR+'s 16.0. On ads, in-app purchases and device support there is nothing between them.

## The numbers

| Metric | K | 스마트DUR+ |
| --- | --- | --- |
| Price | **Free** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 14 MB | 64 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Thepowerbrains.co.ltd.,](https://appshunter.io/developer/539385663) | [FirstDIS](https://appshunter.io/developer/453176058) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-app/id1459729683)

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

**In-app purchases:** none


### 스마트DUR+

[App page](https://appshunter.io/ios/app/dur-plus/id6466592345)

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is 스마트DUR+ free?

Pricing for 스마트DUR+ is not currently listed on the App Store.

### Do K or 스마트DUR+ have ads?

Neither K nor 스마트DUR+ 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.*