# K vs Marunomi

The clearest difference is in-app purchases: Marunomi at none against K's 10. K's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. K sells 10 in-app purchases, starting at $4.99 per month. Marunomi asks for nothing beyond the download.

K ships an update fortnightly, Marunomi every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | K | Marunomi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-pop-dimension-slayer/id6754358017/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 408 MB | 106 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [VRillAR Co., Ltd.](https://appshunter.io/developer/1581564197) | [Ryutaro Nakano](https://appshunter.io/developer/1883662154) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-pop-dimension-slayer/id6754358017)

An idle RPG where K-Pop idol groups battle monsters in another dimension. Enjoy high-quality K-Pop music as your characters grow and strategize with skill cards. Uncover dimensional secrets and save the world.

**Highlights:** Idle RPG gameplay, High-quality K-Pop BGM, Offline character growth, Strategic skill card system, Dimensional monster battles, Uncover secrets

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Reward (30d) | $4.99 | per month |
| Special Monthly Reward (30d) | $10.99 | per month |
| Gem 1 | $0.99 | one-time |
| Event Pack 1 | $0.99 | one-time |
| Event Pack 2 | $4.99 | one-time |
| Event Pack 3 | $9.99 | one-time |
| Event Line Reward | $14.99 | one-time |
| Event Pack 4 | $19.99 | one-time |
| Permanent Reward | $39.99 | one-time |
| Event Pack 5 | $49.99 | one-time |


### Marunomi

[App page](https://appshunter.io/ios/app/marunomi-weird-fish-evolution/id6778737421)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

K is free to download, with in-app purchases available.

### Is Marunomi free?

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

### Do K or Marunomi have ads?

Both K and Marunomi show ads.

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

K ships an update fortnightly, and Marunomi every 6 weeks. Most recently, K was updated on October 24, 2026 and Marunomi 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.*