# K vs K

The clearest difference is rating: K at 5.0 against K's 1.0. K's advantage is update cadence (every 4 days vs every 8 months). On price, ratings volume, ads 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.

K holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

K ships an update every 8 months, K every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | K | K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-sync/id6475117392/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/k-pop-quiz-challenge/id6749819670/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 39 MB | 24 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Salem Berro](https://appshunter.io/developer/1723378213) | [Tae Hee Sohn](https://appshunter.io/developer/1244732222) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-sync/id6475117392)

Track your favorite K-pop songs on the charts and receive real-time rank updates. Stay informed with the latest news and stories about your most-loved artists.

**Highlights:** Track K-pop songs on charts, Real-time rank updates, Latest artist news, Artist stories

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-pop-quiz-challenge/id6749819670)

Test your knowledge of popular K-pop groups like BTS, BLACKPINK, and NewJeans. Challenge friends and prove your expertise in this ultimate K-pop quiz game.

**Highlights:** K-pop OX quiz format, Knowledge of multiple K-pop groups, Compete with friends, Prove K-pop mastery

**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 K free?

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

### Which has better reviews, K or K?

K is rated higher. K averages 5.0 out of 5 from 1 ratings, while K averages 1.0 from 1 ratings.

### Do K or K have ads?

Neither K nor K shows ads.

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

K ships an update every 8 months, and K every 4 days. Most recently, K was updated on October 24, 2026 and K on October 24, 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.*