# O2CHECK

> Mobile card payment processing solution for merchants using secure IC readers. (iPhone/iPad app by Secta9ine Co.,LTD..)

- Source: https://appshunter.io/ios/app/o2check/id1460212015 (this page in markdown: same URL + `.md`)
- Developer: [Secta9ine Co.,LTD.](https://appshunter.io/developer/519629650)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 17 MB
- Languages: Korean
- Released: 2019-04-25
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/o2check/id1460212015/reviews.md

## What is O2CHECK?

Secta9ine의 보안 IC 모바일 카드결제기 어플리케이션으로 스마트폰 사용자에게 카드 결제 시스템을 위한 강력한 솔루션을 제공합니다.
Secta9ine을 통해 제공되는 보안 IC리더기를 통해 읽은 카드 정보로 스마트폰을 통하여 카드 결제가 이루어 집니다.
 
특징 및 장점
- 가맹점에서 손님이 제시한 신용카드의 거래승인을 제공해 드리는 최첨단 조회기 입니다.
- 이용절차나 조작방법이 간편하여 누구나 손쉽게 이용할 수 있습니다.
- 국내외 모든 신용카드가 간편, 신속, 정확하게 자동조회 됩니다.
- 무선 통신망에 연결하여 사용하므로 설치가 용이하며 별도의 회선이 필요 없습니다.
- 스마트폰을 이용하여 손쉽게 언제 어디에서나 손님에게 신용카드 결재를 제공해 드릴 수 있습니다.

## Key features

- 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

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/o2check/id1460212015/reviews.md

### 5/5 — 아이폰 액세서리 연결이 안됩니다.. 연결 좀 해주세요

*2026-05-18*

ㅠㅠ

### 2/5 — 아이폰 지원좀 제발...

*2023-03-07*

도대체 언제..

### 3/5 — 아이폰에는 연동이 안되나요?

*2021-10-28*

아이폰에서 블루투스를 못잡는것 같아요

## Frequently asked questions about O2CHECK

### 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.

## Version history (last 5 releases)

### 1.1.14 — 2026-07-13

- 다중사업자 추가 화면 키보드 동작개선

### 1.1.13 — 2026-05-26

결제 안정성 개선

### 1.1.12 — 2026-04-22

- 다중사업자 기능 추가

### 1.1.11 — 2026-03-17

SR-635, SR-630 장비 연동 개선

### 1.1.10 — 2026-01-28

이용안내 페이지에서 이미지 변경.

## Apps similar to O2CHECK

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MobileKCS](https://appshunter.io/ios/app/mobilekcs/id1567138695) | — | Free | Business |
| [EasyCheckIC](https://appshunter.io/ios/app/easycheckic/id1043451429) | 2.5 (88) | Free | Business |
| [무인기기 모바일 이지샵](https://appshunter.io/ios/app/id6476597645) | — | Free | Business |

## More apps by Secta9ine Co.,LTD.

- [해피포인트](https://appshunter.io/ios/app/id376313183)
- [O2POINT](https://appshunter.io/ios/app/o2point/id1289106306)
- [O2SHOP](https://appshunter.io/ios/app/o2shop/id1306512591)
- [메인페이(Mainpay)](https://appshunter.io/ios/app/mainpay/id1460211528)
- [리치포유](https://appshunter.io/ios/app/id1465878941)

All apps by Secta9ine Co.,LTD.: https://appshunter.io/developer/519629650

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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 2026-08-20.*