# K vs 날먹

The clearest difference is update cadence: 날먹 at every 10 days against K's every 4 weeks. 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.

K ships an update every 4 weeks, 날먹 every 10 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | K | 날먹 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 931 MB | 86 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ecoplay Co., Ltd.](https://appshunter.io/developer/1497635995) | [HONG IK LEE](https://appshunter.io/developer/1819512861) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-eco/id6748045174)

**Features:** macOS Compatibility

**In-app purchases:** none


### 날먹

[App page](https://appshunter.io/ios/app/id6748201396)

This app focuses on practicing past exam questions to help users pass a nail technician certification exam. It offers features like year-by-year question sets, automatic review of incorrect answers, and real-time performance analysis. It's designed for efficient, offline study.

**Highlights:** Yearly past question practice, Automatic incorrect answer review, Real-time accuracy analysis, Mock exam mode, Offline support

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is 날먹 free?

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

### Do K or 날먹 have ads?

Neither K nor 날먹 shows ads.

### Which is updated more often, K or 날먹?

K ships an update every 4 weeks, and 날먹 every 10 days. Most recently, K was updated on October 17, 2026 and 날먹 on October 18, 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.*