▶ WhoWho is a service we're building together, better together.
▶ Make calls directly from your recent history, contacts, or the dialer.
▶ Helps make and receive calls and prevents crimes like voice phishing and smishing.
▶ We strive to provide a safe and secure calling experience for our users.
▶ Share the experiences of 42 million users in Korea.
This service identifies phone numbers from calls and text messages more than 80 million times a day, shares phone number information, and develops together.

▶ Key Features
1. Intelligent Dialer for All Calls
Powerful calling features support phone and video calls, with the ability to choose themes.
Quickly call your most frequently used contacts.
Easily make calls using copy/paste and contact search.

2. Call Interception Detection Service
Detects and notifies you when your calls are being transferred to another phone number.
An automatic notification will be generated when a call is made.

3. Top Bar Notification Mode
The top bar notification mode allows you to conveniently manage call/message notifications based on the situation.
In addition to the default mode, it supports driving mode, conference mode, and theater mode, which automatically send messages.

1) Driving Mode: All notification windows are hidden except for incoming calls.
2) Conference Mode: An automatically entered rejection message is sent via SMS.
3) Theater Mode: The phone switches to vibrate mode, and an automatically entered rejection message is sent via SMS.
☞ Top bar notification mode can be enabled through the "Notification Window Mode" setting.

4. Ansim-AI Sheriff
When a call is connected to a dangerous call, such as a voice phishing call, the "AI Sheriff" will send a real-time warning notification. If you use Ansim with your family, your guardian will be notified when a call is connected to a dangerous number.

5. Feed Notifications
The feed provides a variety of updates, including missed notifications, real-time spam rankings, Ansim, and push notifications.

6. Top Bar Widget
The widget allows you to check the status of spam reports in real time.
You can prevent voice phishing damage by monitoring spam status in real time.
☞ You can turn the top bar widget on or off in Settings.

7. Instantly Check Caller ID Information
You can check the information of over 20 million phone numbers in Korea, including detailed phone number information such as business name, industry, caller location, and phone number type.

8. Check Malicious Phone Number Information, including Spam Calls
You can immediately identify and block malicious phone numbers such as spam calls/text messages, voice phishing, and smishing.

9. Real-time Spam Risk Analysis
Even numbers without a spam report history can be perfectly detected as spam through Huhu Big Data analysis.

10. Diverse and Powerful Call Blocking
We provide call blocking features optimized for various environments, including spam calls, spam text messages, international calls, and direct blocking.
☞ However, due to Google service policy, text messages are not blocked on OS 4.4 or later (global).

11. Real-time Smishing Detection
We analyze URLs contained in text messages to detect smishing risks.
☞ Smishing detection is provided in partnership with ""Plantynet"" and the ""Korea Internet & Security Agency"" and is not available on OS 2.3 Gingerbread or lower.

12. Identify Useful Phone Number Information
We provide real-time identification and information on not only spam but also useful phone numbers for delivery drivers, companies, stores, real estate agents, and more.

13. Check International Phone Number Information
Instantly check phone number information for any country and city around the world,
and perfectly identify malicious phone numbers, such as spam, smishing, and voice phishing calls from overseas.

14. Search All Phone Numbers in Korea
You can search 114 phone numbers nationwide and search over 20 million phone numbers in Korea.
Use WhoWho to find phone numbers for Chinese restaurants, chicken restaurants, banks, companies, and other restaurants.
It also provides maps, navigation, and street views for the searched business.

15. Detect Voice Phishing Victims
If you encounter any suspicious situations related to financial fraud during a call, we'll notify you if it's a voice phishing scam.

16. Do Not Disturb Mode
You can configure your phone to prevent notifications from appearing when user-defined apps, such as navigation or video playback, are running.

▶ App Access Permissions
* Required Permissions
- Address Book/Phone/SMS/Call Log: Used to identify contacts and callers.

* Optional Permissions (You can still use the app without consenting to optional permissions.)
- App Notifications: Used to receive important announcements and service information.
- Location: Used to provide nearby search results and My Places based on the device's location.

For Android 6.0 and lower, individual consent for each item is not possible, so we require mandatory access consent for all items.

■ Website https://whowho.vp.co.kr/ko/
■ Facebook https://www.facebook.com/whowhocompany
■ Kakao Story https://story.kakao.com/ch/teamwhowho
■ Instagram https://www.instagram.com/teamwhowho

▶ Whowho is a 100% free service.
▶ To ensure accurate information on phone numbers that change in real time, Whowho does not provide database downloads. ▶ WhoWho is a wireless internet-based service. If you're not using a wireless internet connection or have a poor connection, you may experience limitations in using WhoWho.
▶ How to use WhoWho at a slightly slower speed than normal.

If your phone is normally 4G (LTE) but switches to 3G when a call comes in, try enabling HD Voice in your call settings. (This is especially true for LG G series users.)
Customer Center Contact: 02-2104-0099