
About
This app allows you to purchase sanitary products from smart vending machines using your smartphone. Select items, pay securely via the app, and receive an OTP code to dispense your purchase from the machine.
What's New in 옷핀
1.3.2
August 5, 2025
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FAQ
How do I use OTPIN to buy products?
Open the OTPIN app, select the product you wish to purchase from the vending machine, and complete the payment within the app. You will then receive a 3-minute OTP code to enter on the vending machine's keypad to dispense your item.
Does OTPIN store my personal or payment information?
No, OTPIN prioritizes user privacy and does not store sensitive personal or payment information. All data is encrypted with perfect security for your peace of mind.
What are the benefits of using OTPIN over traditional vending machines?
OTPIN eliminates the need for coins or cards, offering a more convenient and modern payment experience. It also allows for purchasing multiple items at once and features UV sterilization for dispensed products.
How often is OTPIN updated?
The latest version of OTPIN is 1.3.2, which was last updated on August 5, 2025. Updates typically occur to improve functionality and security.
What devices does OTPIN support?
OTPIN is supported on iPhones and iPods. The app is rated for ages 4 and up.
Can I get help if I have issues with OTPIN or the vending machine?
Yes, OTPIN offers 1:1 real-time chat support for any inquiries or issues you may encounter. You can also reach out via Kakao Talk consultation for assistance.
Is OTPIN available in other countries?
The provided information does not specify international availability. OTPIN's current focus appears to be on its platform and vending solutions, with a mention of operations in Seoul and Busan, South Korea.
Does OTPIN have ads?
No, OTPIN is an ad-free application. This ensures a seamless and uninterrupted user experience when purchasing products.




