Call Lock Pro - Block & Lock

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About this app

Call Lock Pro protects your incoming calls from being answered by anyone but you. Whether you want to lock calls behind a PIN, block spam numbers, or silence calls during quiet hours — this app has you covered.

🔒 CALL LOCK PROTECTION
Lock your incoming calls with PIN, pattern, or fingerprint authentication. When a call comes in, a secure lock screen appears — only you can answer.

• PIN Lock – 4-digit PIN to answer calls
• Pattern Lock – Draw your secret pattern to unlock
• Fingerprint – Use biometric authentication for instant access
• Auto-Reject – Calls are automatically declined after too many wrong attempts

🚫 CALL BLOCKING
Block unwanted calls with powerful number matching:

• Exact Match – Block specific phone numbers
• Starts With – Block all numbers with a certain prefix (e.g., toll-free, premium-rate)
• Contains – Block numbers containing specific digit patterns
• Import & Export – Back up your block list as JSON and restore it anytime

📋 SMART CALLER FILTERS
Choose exactly which calls get locked:

• All Calls – Lock every incoming call
• Known Contacts – Only lock calls from people in your contacts
• Unknown Numbers – Only lock calls from numbers not in your contacts
• Selected Contacts – Pick specific contacts to lock

🌙 QUIET HOURS
Schedule automatic call blocking during set hours. Choose your start time, end time, and active days. Unknown callers are blocked automatically while known contacts can still reach you. Perfect for uninterrupted sleep or focused work.

🌍 INTERNATIONAL NUMBER LOCK
Automatically lock calls from foreign country codes. The app detects your home country from your SIM card and flags international numbers. Add custom prefix lock rules for even more control over which number patterns trigger the lock screen.

🎧 EARPHONE PROTECTION
Prevent calls from being answered through headphone or Bluetooth buttons. When a locked call comes in, media and ringer audio is muted so nobody can pick up through connected headsets — wired, wireless, or USB.

🔐 APP LOCK
Set a separate PIN to protect the app itself. Prevent others from changing your call lock settings, disabling protection, or modifying your block list.

⚙️ MORE FEATURES
• Auto-start on boot – Protection begins as soon as your phone restarts
• Show or hide caller name on the lock screen
• Custom prefix lock rules with labels
• Dark mode with system-aware theming
• Lightweight with no ads in the core experience
• Material You design

🌐 16 LANGUAGES
English, Hindi, Chinese, Spanish, Arabic, Bengali, Portuguese, Russian, Japanese, French, German, Indonesian, Urdu, Turkish, Korean, and Telugu.

Download Call Lock Pro today and take full control of your incoming calls.