# LEECHANGSUB LIGHT STICK

> Official light stick control app for concerts and fan events. (iPhone/iPad app by FANLIGHT Co., Ltd.)

- Source: https://appshunter.io/ios/app/leechangsub-light-stick/id6751530612 (this page in markdown: same URL + `.md`)
- Developer: [FANLIGHT Co., Ltd](https://appshunter.io/developer/1419937068)
- Category: Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 76 MB
- Languages: American English, Japanese, Korean, Chinese (Simplified, China), Thai, Chinese (Traditional, Hong Kong SAR China)
- Released: 2025-11-02
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/leechangsub-light-stick/id6751530612/reviews.md

## What is LEECHANGSUB LIGHT STICK?

This is the mobile app for the LEECHANGSUB OFFICIAL LIGHT STICK.
The app supports LEECHANGSUB official light stick.


[MAIN FEATURES]

1. CONCERT MODE
Pair your light stick with your concert seat information to enjoy various light stick performance during the concert.
This menu will only be available during the concert period.

2. CONNECTING TO BLUETOOTH ON YOUR SMARTPHONE
Press the button on the light stick for 3 seconds to set up the “Bluetooth mode”.
Turn on the Bluetooth function of your smartphone and hold your smartphone close to the light stick to sync them together.
Some smartphones require the GPS function to be turned on to enable Bluetooth connectivity.
If you cannot connect to Bluetooth, please turn on the GPS function.

3. SELF MODE
When your light stick is successfully connected to your smartphone, changing the color on the color wheel of the app will change your light stick color accordingly.

4. BATTERY LEVEL CHECK
In the “SELF MODE” page of the app, click the “Check Battery Status” button at the bottom of the screen to check the battery level of your light stick and replace the battery if needed. 
※ This function may differ ​​depending on battery performance and smartphone model.

[NOTICE BEFORE CONCERT]

- Check the seat information on your ticket before the concert and enter it into your light stick using the app.
- To take part in the light stick performance, be sure to set the light stick to “Concert mode” by pressing its button for 3 seconds after pairing it with your seat information on the app.

- If the light stick’s wireless performance does not work properly, it may be due to unsuccessful pairing or not completing the pairing process. Please complete the pairing process using the app.
- Please be seated in the same seat you registered for your light stick. Moving to another seat may result in different light stick performance.
- Check the battery level of your light stick in advance to ensure battery sufficiency during the concert.
- There will be a Wireless Control Fanlight Support Center located at the venue.

[REQUIRED ACCESS]

To use the app and the light stick, the following accesses are required.
※ To grant access, please tap the [Allow] button when the pop-up appears.
- DEVICE STORAGE: To store the QR/barcode, seat information, etc.
- PHONE: To read the phone status and its identity 
- CAMERA: To read the QR/barcode
- GPS: To connect to Bluetooth
- BLUETOOTH: To connect the light stick

## Key features

- Concert mode synchronization
- Bluetooth pairing
- Customizable color wheel
- Battery level check
- Seat information input

## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/leechangsub-light-stick/id6751530612/reviews.md

### 4/5 — 관계자님께!!

*2026-07-19*

전국투어 서울 말구 타지역때도 연결 되었으면 좋겠습니다!!

### 5/5 — 이창섭 화이팅💙

*2026-07-12*

오빠 사랑해

### 5/5 — 님들 전투때는 연동안되용 ㅋㅋ

*2026-02-12*

앱은 좋음

### 2/5 — 왜안돼!

*2026-01-23*

내일이 공연인데 왜 연결이 안되는거예요!! 연결좀 해줘요 ㅠ

### 1/5 — 아니 공연 2시간 전인데

*2026-01-18*

아니 공연 2시간 전인데 공연 정보가 없다고 뜨는데요…… 언제 좌석 등록 할 수 있는 거죠?

### 5/5 — 이창섭예지앞사💙

*2026-01-12*

예지앞사💙응원봉 너무 이뻐요ㅎㅎ♡

### 1/5 — 응원법 영상이라던지 이런거 넣어주세요

*2025-12-05*

그리고 공연모드 는 언제 사용가능한건가요?

### 5/5 — 언제 좌석 등록 가능한가요?

*2025-11-29*

언제좌석 능력 가능한가요?

## Frequently asked questions about LEECHANGSUB LIGHT STICK

### How do I connect my LEECHANGSUB LIGHT STICK to the app?

To connect, press the button on the light stick for 3 seconds to activate Bluetooth mode. Then, turn on your smartphone's Bluetooth and hold it close to the light stick. Ensure GPS is enabled on your smartphone if Bluetooth connectivity issues arise.

### What is 'Concert Mode' in the LEECHANGSUB LIGHT STICK app?

Concert Mode allows you to pair your light stick with your specific concert seat information. This enables various synchronized light stick performances during the event, enhancing the concert experience.

### Can I change the color of my LEECHANGSUB LIGHT STICK with the app?

Yes, when your light stick is connected in 'Self Mode,' you can use the color wheel within the app to change the light stick's color to your preference.

### How can I check the battery level of my LEECHANGSUB LIGHT STICK?

In the 'Self Mode' section of the app, there is a 'Check Battery Status' button. Tapping this will display the current battery level of your light stick, allowing you to replace the battery if needed.

### Does the LEECHANGSUB LIGHT STICK app require specific permissions?

Yes, the app requires access to Device Storage (for seat info), Phone (for status), Camera (for QR/barcode), GPS (for Bluetooth), and Bluetooth (for light stick connection).

### What should I do if my LEECHANGSUB LIGHT STICK isn't performing wirelessly?

Ensure the light stick is properly paired with your seat information in the app and that you have activated 'Concert Mode'. Unsuccessful pairing or not completing the process can cause issues. Also, confirm you are in the seat you registered.

### Is the LEECHANGSUB LIGHT STICK app available on Android devices?

Based on the provided data, the app is supported on iPhone and iPod. Information regarding Android compatibility is not specified.

### How often is the LEECHANGSUB LIGHT STICK app updated?

The app was last updated on November 3, 2025, with version 1.0.0. This indicates recent activity, suggesting ongoing support and potential future updates.

## Version history (last 1 release)

### 1.0.0 — 2025-11-03

No release notes.

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## More apps by FANLIGHT Co., Ltd

- [BTS OFFICIAL LIGHT STICK](https://appshunter.io/ios/app/bts-official-light-stick/id1419937069)
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- [GFRIEND LIGHT STICK](https://appshunter.io/ios/app/gfriend-light-stick/id1461037490)
- [SF9 OFFICIAL LIGHT STICK](https://appshunter.io/ios/app/sf9-official-light-stick/id1520448362)
- [JO1 OFFICIAL LIGHT STICK](https://appshunter.io/ios/app/jo1-official-light-stick/id1531682633)
- [P1H OFFICIAL LIGHT STICK](https://appshunter.io/ios/app/p1h-official-light-stick/id1568971859)

All apps by FANLIGHT Co., Ltd: https://appshunter.io/developer/1419937068

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*