# BTOB OFFICIAL LIGHT STICK vs EUNKWANG

The clearest difference is update cadence: EUNKWANG at every 4 weeks against BTOB OFFICIAL LIGHT STICK's every 2 months. 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.

BTOB OFFICIAL LIGHT STICK ships an update every 2 months, EUNKWANG every 4 weeks. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BTOB OFFICIAL LIGHT STICK | EUNKWANG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 17 MB | 36 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Sang Min Jo](https://appshunter.io/developer/1620771452) | [Pledge Inc.](https://appshunter.io/developer/1535324953) |

## What reviewers say

### 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


### EUNKWANG

[App page](https://appshunter.io/ios/app/eunkwang/id6799627622)

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

**In-app purchases:** none


## Frequently asked questions

### Is BTOB OFFICIAL LIGHT STICK free?

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

### Is EUNKWANG free?

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

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

Neither BTOB OFFICIAL LIGHT STICK nor EUNKWANG shows ads.

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

BTOB OFFICIAL LIGHT STICK ships an update every 2 months, and EUNKWANG every 4 weeks. Most recently, BTOB OFFICIAL LIGHT STICK was updated on September 26, 2026 and EUNKWANG on October 4, 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.*