iPhone Screenshots


This ‘23YO’ application is for Zemna products only. ‘23YO’ application gives a chance of authenticating in real time to consumers.

※ What is ‘23YO’ application?
‘23YO’ application gives a chance of authenticating in real time to consumers by recognizing random number technology with smartphone authentication app.

‘23YO’ application can authenticate the “Security Serial Tag” which is enhanced in design and security.

Security Serial Tag is made with all the strength of hologram and developed with better design and fortified security procedures.
Specially encoded chemical material is applied on Security Serial Tag which blocks attempt of counterfeit.

※ Features of ‘23YO’ application

1. Easy authentication: By Placing guide area in the smart phone to the tag, customers can easily authenticate.

2. Fortified security procedures: This technology of BrandSafer is developed with our individual technique of special printing.

3. Fast authentication: customers can authenticate in just few seconds.

4. Report Function: After authenticating the tag, if tag seems counterfeit, customers can report so that manufacturers can find the origin of the counterfeit items. 

※ Instructions
App start ▷ Authentication tag after adjusting with guide line ▷ Check product code ▷ Authentication request

What’s New

Version 1.1.3

- improved to the tag recognition accuracy.
- bug fix


iCraft Co., Ltd.
16.7 MB

Requires iOS 8.0 or later. Compatible with iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, and iPhone XR.


English, Korean, Simplified Chinese, Traditional Chinese

Age Rating
Rated 4+
© iCraft Co., Ltd.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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