# SUPERSTAR HIGHUP vs Rhythm K

The clearest difference is iOS requirement: Rhythm K at 13.4 against SUPERSTAR HIGHUP's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. SUPERSTAR HIGHUP sells 10 one-off in-app purchases and Rhythm K sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SUPERSTAR HIGHUP ships an update every 2 weeks, Rhythm K every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SUPERSTAR HIGHUP | Rhythm K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (566 ratings)](https://appshunter.io/ios/app/superstar-highup/id6446679596/reviews)** | — |
| Number of ratings | **566** | — |
| Positive reviews | **87.3% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 472 MB | 214 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dalcomsoft, Inc.](https://appshunter.io/developer/890937535) | [Penta Music Inc.](https://appshunter.io/developer/1749220658) |

## What reviewers say

### SUPERSTAR HIGHUP

[App page](https://appshunter.io/ios/app/superstar-highup/id6446679596)

Engage with your favorite K-pop group through a rhythm game. Collect cards, play their songs, and compete with fans worldwide. Unlock exclusive content and enjoy interactive features.

**Highlights:** Play STAYC's songs, Collect weekly updated theme cards, Compete in weekly leagues, Challenge world records, Unlock exclusive live themes, Experience artist voice combinations

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SSSC Package 76 | $2.99 | one-time |
| 39 Diamond | $3.39 | one-time |
| 62 Diamond | $5.29 | one-time |
| SSSC Package 2 | $5.99 | one-time |
| SSSC Package 6 | $5.99 | one-time |
| 120 Diamond | $9.89 | one-time |
| SSSC Package 33 | $14.99 | one-time |
| SSSC Package 8 | $19.99 | one-time |
| SSSC Package 4 | $19.99 | one-time |
| 375 Diamond | $29.49 | one-time |

**What reviewers like**

- 🎶 Accurate STAYC songs
- 👍 Fun rhythm game experience
- 🎨 Attractive STAYC-themed visuals
- 🤩 Allows players to challenge STAYC songs

**What reviewers complain about**

- 🐛 Sound issues (no audio)
- 🔧 Tiles/gameplay need updating
- 💰 Expensive in-app purchases

**Reported bugs**

- Login issues with Dalcom account
- Challenges not counting properly

**Requested features**

- Superstar games for other K-pop groups (GIDLE, Dreamcatcher, etc.)
- Full song versions instead of just verses


### Rhythm K

[App page](https://appshunter.io/ios/app/rhythm-k-pop/id6503427893)

Immerse yourself in a vibrant K-Pop drum rhythm game. Customize your play style, complete missions, and unlock new songs as you master precise strikes and realistic drum hits. Create personalized playlists of your favorite K-Pop tracks.

**Highlights:** Customizable play UI, Mission and achievement system, Free playing environment, Precise note striking, Basic drum lessons, Realistic drum feel, Playlist creation

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| heart_15 | $0.99 | one-time |
| Event-Pack | $1.00 | one-time |
| heart_30 | $1.99 | one-time |
| key_30 | $3.99 | one-time |
| heart_60 | $4.99 | one-time |
| heart_120 | $9.99 | one-time |
| key_100 | $14.99 | one-time |
| key_200 | $29.99 | one-time |
| coin_5000 | $29.99 | one-time |
| key_300 | $39.99 | one-time |


## Frequently asked questions

### Is SUPERSTAR HIGHUP free?

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

### Is Rhythm K free?

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

### Do SUPERSTAR HIGHUP or Rhythm K have ads?

Both SUPERSTAR HIGHUP and Rhythm K show ads.

### Which is updated more often, SUPERSTAR HIGHUP or Rhythm K?

SUPERSTAR HIGHUP ships an update every 2 weeks, and Rhythm K every 10 days. Most recently, SUPERSTAR HIGHUP was updated on November 3, 2026 and Rhythm K on October 30, 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.*