# K탑스타 vs BTOB OFFICIAL LIGHT STICK

The clearest difference is review sentiment: BTOB OFFICIAL LIGHT STICK at 100% against K탑스타's 19%. BTOB OFFICIAL LIGHT STICK also leads on in-app purchases (none vs 10) and ads (none vs shown). K탑스타's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (13.4 vs 16.0). On price and device support there is nothing between them.

Both are free to download. K탑스타 sells 10 one-off in-app purchases. BTOB OFFICIAL LIGHT STICK asks for nothing beyond the download.

K탑스타 ships an update every 10 days, BTOB OFFICIAL LIGHT STICK every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | K탑스타 | BTOB OFFICIAL LIGHT STICK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (13 ratings)](https://appshunter.io/ios/app/k-ktopstar/id6503354936/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 19.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 17 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [ComWithUs](https://appshunter.io/developer/1690444720) | [Sang Min Jo](https://appshunter.io/developer/1620771452) |

## What reviewers say

### K탑스타

[App page](https://appshunter.io/ios/app/k-ktopstar/id6503354936)

Engage with your favorite K-pop stars through voting, fan-led interviews, and community features. Earn rewards by participating in missions and daily check-ins, and track your idol's ranking on genre-specific charts.

**Highlights:** Genre-specific charts, Star voting and ranking, Fan-led interviews, Missions and daily check-ins, Fandom community, Latest star updates

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Cash | $0.49 | one-time |
| 30 Cash | $1.99 | one-time |
| 50 Cash | $2.99 | one-time |
| 100 Cash | $6.99 | one-time |
| 200 Cash | $12.99 | one-time |
| 300 Cash | $19.99 | one-time |
| 500 Cash | $34.99 | one-time |
| 800 Cash | $49.99 | one-time |
| 1,000 Cash | $69.99 | one-time |
| 2,000 Cash | $129.99 | one-time |


### BTOB OFFICIAL LIGHT STICK

[App page](https://appshunter.io/ios/app/btob-official-light-stick/id6737747061)

Enhance your concert experience with interactive light stick features. Sync your light stick to official content and live performances for a more immersive fan experience. Manage your device and ensure it's ready for any event.

**Highlights:** Sync light stick to official YouTube content, Connect light stick to live concerts, Manage light stick status and software, Control light stick color modes, Switch between app and general modes

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

**In-app purchases:** none


## Frequently asked questions

### Is K탑스타 free?

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

### Is BTOB OFFICIAL LIGHT STICK free?

BTOB OFFICIAL LIGHT STICK is free to download, with no in-app purchases.

### Do K탑스타 or BTOB OFFICIAL LIGHT STICK have ads?

K탑스타 shows ads; BTOB OFFICIAL LIGHT STICK does not.

### Which is updated more often, K탑스타 or BTOB OFFICIAL LIGHT STICK?

K탑스타 ships an update every 10 days, and BTOB OFFICIAL LIGHT STICK every 2 months. Most recently, K탑스타 was updated on November 4, 2026 and BTOB OFFICIAL LIGHT STICK 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.*