Comparison

DermoFAIN vs CTK x BiLumix

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DermoFAIN

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DermoFAIN is a mobile, AI-powered, full-face skin cosmetic matching technology. Our easy-to-use APP allows a user to take three facial images from different angles with the help of an audio guide for proper image capturing. Text guidelines are also available to help users navigate through the app smoothly. Captured images are processed by our AI and algorithm, and results are shown in simple graphs and wordings for easy understanding. With our big data experience and taking into account opinions from beauty experts, users can get cosmetic products recommended for them.

About

CTK x BiLumix

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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.

Screenshots

DermoFAIN4 screens
CTK x BiLumix4 screens

Verdict

The call

DermoFAIN and CTK x BiLumix are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DermoFAIN ships an update every 3 weeks, CTK x BiLumix every 11 days. The most recent releases landed on December 6, 2025 and October 22, 2026 respectively.

ScorecardNo meaningful differences
DermoFAIN versus CTK x BiLumix: the parameters behind the verdict, then further details
ParameterDermoFAINCTK x BiLumix
PriceFreeFree
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size261 MB20 MB
Age rating4+4+
DeveloperChowis Co LtdChoiceTech Korea Co., Ltd.

In-app purchases

None

DermoFAIN

No in-app purchases

None

CTK x BiLumix

No in-app purchases

Questions

Is DermoFAIN free?
DermoFAIN is free to download, with no in-app purchases.
Is CTK x BiLumix free?
CTK x BiLumix is free to download, with no in-app purchases.
Do DermoFAIN or CTK x BiLumix have ads?
Neither DermoFAIN nor CTK x BiLumix shows ads.
Which is updated more often, DermoFAIN or CTK x BiLumix?
DermoFAIN ships an update every 3 weeks, and CTK x BiLumix every 11 days. Most recently, DermoFAIN was updated on December 6, 2025 and CTK x BiLumix on October 22, 2026.

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