휴대폰 인증서 서비스(유비키_UBIKey) Android
휴대폰 인증서 서비스(유비키_UBIKey) is #17 in Finance Grossing on Google Play in South Korea and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
Developer(주)인포바인
CategoryFinance
PriceFree
Released–
Installs5M+
Rating–
Updated–
Content ratingEveryone
Best rank now
#17
Finance GrossingMeasured
휴대폰 인증서 서비스(유비키_UBIKey) on Google Play
App details
App ID
com.ubikey
Publisher
(주)인포바인
Content rating
Everyone
휴대폰 인증서 서비스(유비키_UBIKey) downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in 휴대폰 인증서 서비스(유비키_UBIKey) before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How 휴대폰 인증서 서비스(유비키_UBIKey) makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | FinanceGrossing | #17 |
Apps near 휴대폰 인증서 서비스(유비키_UBIKey) on the chart
Finance Grossing, around #17.
About 휴대폰 인증서 서비스(유비키_UBIKey)
Due to a recent Google policy change, support for OS 4.1 or later has been applied.
☆ The mobile phone authentication service, UbiKey, is charged a monthly fee of 990 won (VAT included) upon download and subscription. SKT and KT budget phone users can use the service with a Google subscription fee of 1,100 won (VAT included).
☆ With the single mobile phone authentication service (UbiKey_UBIKey) app, customers of all three mobile carriers, SKT, KT, and LG U+, can access the certificates stored in the app.
☆ If a pop-up message regarding service interruption or ADB debugging appears, please update to the new app.
☆★ Save certificates stored on your smartphone to the app.
☆★ Two-step authentication (2FA) OTP function for logging into various online services (finance, portals, games, etc.)
You can save certificates stored on your smartphone (in the NPKI folder) to the mobile certificate service app, allowing you to securely digitally sign documents for logins, financial transactions, identity verification, and other purposes.
@ [Mobile Phone Icon] for Certificate Storage/PC Transfer within the App
First, save the issued certificate within the mobile certificate service app. Then, when a certificate is required for web logins, financial transactions, identity verification, or e-commerce payments on a PC, you can transfer the certificate stored on your smartphone to your PC via the [Mobile Phone Icon] in the certificate window to perform digital signatures.
You can conveniently and safely use the service on a wide range of partner sites, including major banks, credit card companies, insurance companies, PGs, and public institutions.
It also integrates with smartphone banking apps, allowing you to use it with some banks. (Available banks: Shinhan Bank, SC First Bank, Busan Bank, Kyongnam Bank, Jeonbuk Bank, Daegu Bank, K Bank)
※ How to Use
- Saving a Certificate on Your Smartphone
1. Download the mobile certificate service and launch the application. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Select the certificate saved on your PC hard drive, enter your smartphone number, and enter the certificate password. 4. Enter the 4-digit security number generated on your smartphone in the PC window. 5. The certificate is now saved on your smartphone.
- Using a Smartphone Certificate
1. Launch the mobile certificate service application on your smartphone. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Enter the 4-digit security number generated on your smartphone in the PC window. 4. The certificate from your smartphone to your PC is now transferred. 5. Enter the certificate password in the PC window.
@ Two-Step Authentication (2FA) OTP Function
The OTP function securely and easily generates a 6-digit one-time password (OTP) for two-step authentication (2FA) using a mobile app when logging into various online services (such as social media, por
☆ The mobile phone authentication service, UbiKey, is charged a monthly fee of 990 won (VAT included) upon download and subscription. SKT and KT budget phone users can use the service with a Google subscription fee of 1,100 won (VAT included).
☆ With the single mobile phone authentication service (UbiKey_UBIKey) app, customers of all three mobile carriers, SKT, KT, and LG U+, can access the certificates stored in the app.
☆ If a pop-up message regarding service interruption or ADB debugging appears, please update to the new app.
☆★ Save certificates stored on your smartphone to the app.
☆★ Two-step authentication (2FA) OTP function for logging into various online services (finance, portals, games, etc.)
You can save certificates stored on your smartphone (in the NPKI folder) to the mobile certificate service app, allowing you to securely digitally sign documents for logins, financial transactions, identity verification, and other purposes.
@ [Mobile Phone Icon] for Certificate Storage/PC Transfer within the App
First, save the issued certificate within the mobile certificate service app. Then, when a certificate is required for web logins, financial transactions, identity verification, or e-commerce payments on a PC, you can transfer the certificate stored on your smartphone to your PC via the [Mobile Phone Icon] in the certificate window to perform digital signatures.
You can conveniently and safely use the service on a wide range of partner sites, including major banks, credit card companies, insurance companies, PGs, and public institutions.
It also integrates with smartphone banking apps, allowing you to use it with some banks. (Available banks: Shinhan Bank, SC First Bank, Busan Bank, Kyongnam Bank, Jeonbuk Bank, Daegu Bank, K Bank)
※ How to Use
- Saving a Certificate on Your Smartphone
1. Download the mobile certificate service and launch the application. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Select the certificate saved on your PC hard drive, enter your smartphone number, and enter the certificate password. 4. Enter the 4-digit security number generated on your smartphone in the PC window. 5. The certificate is now saved on your smartphone.
- Using a Smartphone Certificate
1. Launch the mobile certificate service application on your smartphone. 2. In the PC certificate window, click the mobile phone icon and enter your smartphone number. 3. Enter the 4-digit security number generated on your smartphone in the PC window. 4. The certificate from your smartphone to your PC is now transferred. 5. Enter the certificate password in the PC window.
@ Two-Step Authentication (2FA) OTP Function
The OTP function securely and easily generates a 6-digit one-time password (OTP) for two-step authentication (2FA) using a mobile app when logging into various online services (such as social media, por