# CTK x BiLumix — CTK x BiLumix headlamp & loupe

> CTK x BiLumix headlamp & loupe (iPhone/iPad app by ChoiceTech Korea Co., Ltd..)

- Source: https://appshunter.io/ios/app/ctk-x-bilumix/id6747148893 (this page in markdown: same URL + `.md`)
- Developer: [ChoiceTech Korea Co., Ltd.](https://appshunter.io/developer/1820072125)
- Category: Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 20 MB
- Languages: American English, Korean
- Released: 2025-06-16
- Data updated: 2026-10-22

## What is CTK x BiLumix?

CTK x BiLumix is the companion app for CTK x BiLumix headlamps and loupes. Register and manage your CTK x BiLumix products, and measure your pupillary distance (PD), working distance, and brightness in one app.

Features and benefits
• Product registration: register your CTK x BiLumix products in the app.
• Product management: view and manage your registered products in one place.
• PD measurement: uses the smartphone camera to measure the distance between your pupils.
• Working distance and brightness measurement: measure your working distance and brightness.
• Record management: automatically stores your measurement results in the app for convenient access.
• Easy to use: an intuitive, user-friendly interface for all users.

How to use
1. Register: launch the app and register your CTK x BiLumix product.
2. Measure: choose PD, working distance, or brightness and follow the on-screen guide.
3. Review results: view and save your measurement results.
Results may vary depending on device, environment, and measurement conditions.

About
CTK x BiLumix headlamps and loupes are developed and manufactured by ChoiceTech Korea. This app is also developed and operated by ChoiceTech Korea. For product support or inquiries, contact ChoiceTech Korea.

## Is CTK x BiLumix safe?

Not enough ratings yet to assess CTK x BiLumix.

## Is CTK x BiLumix legit?

CTK x BiLumix appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for CTK x BiLumix is 73 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.0.10 — 2026-10-20

Lux Meter Added: You can now easily measure and check light intensity!
Main Screen UI Improvement: Enjoy a cleaner, more intuitive main screen layout.
Minor bugs have been fixed, and the UI has been improved.

### 1.0.9 — 2026-01-22

Minor bug fixes and improvements.

### 1.0.8 — 2025-11-11

Refined the app flow and improved accessibility to key features.
Improved data processing speed and overall stability.
Applied a cleaner and more consistent design across the app.
Resolved known bugs and enhanced app stability.

### 1.0.7 — 2025-09-12

Fix small bugs

### 1.0.6 — 2025-07-28

Fix small bugs

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## More apps by ChoiceTech Korea Co., Ltd.

- [ChoiceDx Pico Scalp](https://appshunter.io/ios/app/choicedx-pico-scalp/id6747414902)
- [ChoiceDx Pico Skin](https://appshunter.io/ios/app/choicedx-pico-skin/id6747955083)
- [ChoiceDx Pro-Skin](https://appshunter.io/ios/app/choicedx-pro-skin/id6751401033)
- [ChoiceDx Pro-Hair](https://appshunter.io/ios/app/choicedx-pro-hair/id6751402257)
- [Choice-Dx NAVI](https://appshunter.io/ios/app/choice-dx-navi/id6754755464)

All apps by ChoiceTech Korea Co., Ltd.: https://appshunter.io/developer/1820072125

## Related topics

[eyedistance pd](https://appshunter.io/ios/topics/eyedistance-pd)

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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 2026-10-22.*