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About
This application provides a secure mobile card payment solution for smartphone users. It enables card payments through a secure IC reader connected to your smartphone, allowing merchants to process credit card transactions easily and quickly from anywhere.
✓Secure mobile card payment processing
✓Uses secure IC reader for transactions
✓Supports all domestic and international credit cards
✓Easy to use and operate
✓Wireless connectivity, no separate line needed
✓Process payments anytime, anywhere
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What's New in O2CHECK
1.1.14
July 13, 2026
- 다중사업자 추가 화면 키보드 동작개선
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FAQ
What is O2CHECK used for?
O2CHECK is a mobile application that provides a secure card payment system for smartphone users. It allows merchants to process credit card transactions using a secure IC reader connected to their device.
Is O2CHECK free to use?
Yes, O2CHECK is available for free. The application itself does not have a cost associated with downloading or using its core payment processing features.
What types of credit cards does O2CHECK support?
O2CHECK supports the convenient, fast, and accurate automatic lookup of all domestic and international credit cards.
Does O2CHECK require a separate phone line?
No, O2CHECK connects via a wireless communication network, making installation easy and eliminating the need for a separate phone line.
What devices is O2CHECK compatible with?
O2CHECK is supported on iPhone and iPod devices.
How often is O2CHECK updated?
The latest version of O2CHECK is 1.1.14, and it was last updated on July 13, 2026. This indicates a history of updates, though the exact frequency is not specified.
What is the age rating for O2CHECK?
O2CHECK has an age rating of 4+, making it suitable for a wide range of users.
Does O2CHECK have ads?
No, O2CHECK does not contain advertisements.
