Whoscall is a highly-regarded phone app with Caller ID & Blocker function that has been downloaded over million times globally. It helps users identify unknown numbers and decide whether to answer or block them. With a massive database of over . billion numbers, Whoscall provides information on screen to protect users from unknown messages and calls. In addition to identifying unknown numbers, the app also allows users to block spam calls and messages, as well as report suspicious numbers to prevent scams. Whoscall offers a fully functional phone feature that includes calls, SMS, and anti-spam capabilities all in one app. Users can identify unknown calls and messages, ensuring that they only pick up important calls and avoid spam messages. The app also has a built-in dialer that allows users to search and confirm unknown numbers before dialing out. Whoscall provides a comprehensive call interface to identify incoming and outgoing calls, as well as a conversation page for SMS chats. The app also includes a spam calls and messages blocker to prevent unwanted disturbances and scams. Users can block spam numbers and report suspicious ones to protect the community. Whoscall Premium offers additional features such as an offline database extension, auto-update of the offline database, and an auto-SMS URL scan. The premium version also removes all ads for an ad-free experience. The app requires certain permissions, such as access to phone, call log, contact, SMS, location, storage, and microphone, to provide its caller identification, blocking, and messaging features. Whoscall is available on various devices and regions, and the company welcomes inquiries and suggestions from users.