Call Defender

Call Defender helps you stay in control of your calls with free spam blocking and real-time caller ID. It uses Whoscall and HKJunkCall databases to identify malicious numbers and block spam or fraud calls, trusted by millions in Hong Kong.

Key features include dual database updates every 10 minutes, anti-fraud information, and strong data security. The pro version adds automatic database updates, real-time spam lists, and an ad-free experience, with an emphasis on user privacy and easy setup.