whowho

whowho is Korea's top mobile application, trusted by more than 30 million users. This advanced telecommunications tool effectively blocks spam calls, letting you connect only with the people that matter. Discover smarter communication—free from unwanted interruptions.

Key Features of whowho:

Real-Time Caller Details

Get instant details about unknown numbers so you can decide whether to answer or block calls with confidence.

Easy Number Organization

Keep your contacts in order by saving notes on each number—like marking them as safe or spam—for quick reference.

Community Alert System

Report and share details about suspicious numbers with other users to build a safer network for the whowho community.

User Tips & Tricks:

Adjust Your Preferences

Personalize your experience by setting up call blocking rules and choosing what caller details appear on your screen.

Keep Data Up to Date

Update the app regularly to receive the latest information on unknown numbers and improve caller identification accuracy.

Use App Widgets

Make the most of whowho's widgets—including call logs, favorites, and dialer—for faster access and a smoother experience.

App Permissions Explained

* Required Permissions

- Contacts, phone, messages, and call logs: used to identify numbers and senders.

* Optional Permissions (You can still use the app if you decline these.)

- Microphone: allows call recording.

- Location: helps show local search results based on your device's location.

- Camera: enables number lookups using images and supports video calls.

- Storage: lets you save call recordings and number search data.